70 كتب إلكترونية بواسطة Polar Research Board
Committee on Principles of Environmental Stewardship for the Exploration and Study of Subglacial Environments & Division on Earth and Life Studies: Exploration of Antarctic Subglacial Aquatic Environments
Antarctica is renowned for its extreme cold; yet surprisingly, radar measurements have revealed a vast network of lakes, rivers, and streams several kilometers beneath the Antarctic ice sheet. Sealed …
PDF
الإنجليزية
DRM
€37.95
National Research Council & Polar Research Board: Antarctica
Antarctica is the center from which all surrounding continental bodies separated millions of years ago. Antarctica: A Keystone in a Changing World, reinforces the importance of continual changes in t …
PDF
الإنجليزية
DRM
€37.86
Board on Atmospheric Sciences and Climate & Committee on Abrupt Climate Change: Abrupt Climate Change
The climate record for the past 100, 000 years clearly indicates that the climate system has undergone periodicand often extremeshifts, sometimes in as little as a decade or less. The causes of abrup …
EPUB
الإنجليزية
DRM
€56.09
Committee on the Scientific Value of Arctic Sea Ice Imagery Derived Products & Division on Earth and Life Studies: Scientific Value of Arctic Sea Ice Imagery Derived Products
During the 1990s, a government program brought together environmental scientists and members of the intelligence community to consider how classified assets and data could be applied to further the u …
PDF
الإنجليزية
DRM
€14.58
Committee on the Scientific Value of Arctic Sea Ice Imagery Derived Products & Division on Earth and Life Studies: Scientific Value of Arctic Sea Ice Imagery Derived Products
During the 1990s, a government program brought together environmental scientists and members of the intelligence community to consider how classified assets and data could be applied to further the u …
EPUB
الإنجليزية
DRM
€15.49
Board on Environmental Studies and Toxicology & Committee on Review of Arctic-Yukon-Kuskokwim (Western Alaska) Research and Restoration Plan for Salmon: Developing a Research and Restoration Plan for Arctic-Yukon-Kuskokwim (Western Alaska) Salmon
Recent declines in the abundance of salmon in the Arctic-Yukon-Kuskokwim (AYK) region of western Alaska have created hardships for the people and communities who depend on this resource. In 2002, the …
EPUB
الإنجليزية
DRM
€51.20
Committee on a Science Plan for the North Pacific Research Board & National Research Council: Elements of a Science Plan for the North Pacific Research Board
The North Pacific Research Board (NPRB) was established in 1997 as custodian to a pool of funds intended for the study of the North Pacific Ocean, Bering Sea, and Arctic Ocean. The success of the NRP …
EPUB
الإنجليزية
DRM
€48.27
Board on Environmental Studies and Toxicology & Committee on Cumulative Environmental Effects of Oil and Gas Activities on Alaska’s North Slope: Cumulative Environmental Effects of Oil and Gas Activities on Alaska’s North Slope
This book identifies accumulated environmental, social and economic effects of oil and gas leasing, exploration, and production on Alaska’s North Slope. Economic benefits to the region have been acco …
EPUB
الإنجليزية
DRM
€127.05
Committee on the Alaska Groundfish Fishery and Steller Sea Lions & Division on Earth and Life Studies: Decline of the Steller Sea Lion in Alaskan Waters
For an unknown reason, the Steller sea lion population in Alaska has declined by 80% over the past three decades. In 2001, the National Research Council began a study to assess the many hypotheses pr …
EPUB
الإنجليزية
DRM
€76.88
Board on Environmental Studies and Toxicology & Committee to Review the Gulf of Alaska Ecosystem Monitoring Program: Century of Ecosystem Science
This report provides guidance to the Gulf Ecosystem Monitoring (GEM) program to help ensure that it is based on a a science plan that is robust, far-reaching, and scientifically sound. The report com …
EPUB
الإنجليزية
DRM
€42.52
Committee to Review NASA’s Polar Geophysical Data Sets & Division on Earth and Life Studies: Enhancing NASA’s Contributions to Polar Science
The high latitudes of the Arctic and Antarctic, together with some mountainous areas with glaciers and long-lasting snow, are sometimes called the cryosphere-defined as that portion of the planet whe …
EPUB
الإنجليزية
DRM
€64.20
Board on Health Promotion and Disease Prevention & Board on Radiation Effects Research: Arctic Aeromedical Laboratory’s Thyroid Function Study
During the 1950s, with the Cold War looming, military planners sought to know more about how to keep fighting forces fit and capable in the harsh Alaskan environment. In 1956 and 1957, the U.S. Air F …
EPUB
الإنجليزية
DRM
€47.49
Committee on the Bering Sea Ecosystem & Division on Earth and Life Studies: Bering Sea Ecosystem
The Bering Sea, which lies between the United States and Russia, is one of the most productive ecosystems in the world and has prolific fishing grounds. Yet there have been significant unexplained po …
EPUB
الإنجليزية
DRM
€89.98
National Research Council & Polar Research Board: Antarctica
Antarctica is the center from which all surrounding continental bodies separated millions of years ago. Antarctica: A Keystone in a Changing World, reinforces the importance of continual changes in t …
EPUB
الإنجليزية
DRM
€53.91
Committee on Principles of Environmental Stewardship for the Exploration and Study of Subglacial Environments & Division on Earth and Life Studies: Exploration of Antarctic Subglacial Aquatic Environments
Antarctica is renowned for its extreme cold; yet surprisingly, radar measurements have revealed a vast network of lakes, rivers, and streams several kilometers beneath the Antarctic ice sheet. Sealed …
EPUB
الإنجليزية
DRM
€53.25
Committee on the Assessment of U.S. Coast Guard Polar Icebreaker Roles and Future Needs & Division on Earth and Life Studies: Polar Icebreakers in a Changing World
The United States has enduring national and strategic interests in the polar regions, including citizens living above the Arctic circle and three year-round scientific stations in the Antarctic. Pola …
EPUB
الإنجليزية
DRM
€47.20
Committee on Designing an Arctic Observing Network & Division on Earth and Life Studies: Toward an Integrated Arctic Observing Network
Observable changes with regional and global implications, such as warming temperatures and reduced sea ice, are taking place across the Arctic. However, the record of Arctic observations suffers from …
EPUB
الإنجليزية
DRM
€62.98
Board on Environmental Studies and Toxicology & Committee on Review of Arctic-Yukon-Kuskokwim (Western Alaska) Research and Restoration Plan for Salmon: Review of the Draft Research and Restoration Plan for Arctic-Yukon-Kuskokwim (Western Alaska) Salmon (
Declines in the abundance of salmon in the Arctic-Yukon-Kuskokwim (AYK) region of western Alaska in the late 1990s and early 2000s created hardships for the people and communities who depend on this …
EPUB
الإنجليزية
DRM
€30.94
Committee on the Assessment of U.S. Coast Guard Polar Icebreaker Roles and Future Needs & Division on Earth and Life Studies: Polar Icebreaker Roles and U.S. Future Needs
The age and condition of the U.S. Coast Guard’s polar icebreakers are jeopardizing national security and scientific research in the Arctic and Antarctic, according to an interim report from the Natio …
EPUB
الإنجليزية
DRM
€30.72
Committee on a Science Plan for the North Pacific Research Board & National Research Council: Final Comments on the Science Plan for the North Pacific Research Board
The North Pacific Research Board (NPRB) was established by Congress in 1997 to recommend marine research activities to the Secretary of Commerce on or relating to the fisheries or marine ecosystem in …
EPUB
الإنجليزية
DRM
€21.82
Committee on International Polar Year 2007-2008: Report of the Implementation Workshop & Division on Earth and Life Studies: Planning for the International Polar Year 2007-2008
The International Polar Year (IPY) 2007-2008 will be an internationally coordinated campaign of polar observations, research, and analysis that will further our understanding of physical and social p …
EPUB
الإنجليزية
DRM
€30.81
Committee to Review the Oil Spill Recovery Institute’s Research Program & Division on Earth and Life Studies: Oil Spill Recovery Institute
As a result of the 1989 Exxon Valdez Oil Spill in Prince William Sound, Congress passed the Oil Pollution Act of 1990 (OPA 90), and within that legislation, the Oil Spill Recovery Institute (OSRI) wa …
EPUB
الإنجليزية
DRM
€57.88
Committee to Review the Community Development Quota Program & Division on Earth and Life Studies: Community Development Quota Program in Alaska
This book reviews the performance and effectiveness of the Community Development Quotas (CDQ) programs that were formed as a result of the Sustainable Fisheries Act of 1996. The CDQ program is a meth …
EPUB
الإنجليزية
DRM
€70.17
Committee for the Workshop on Frontiers in Understanding Climate Change and Polar Ecosystems & Division on Earth and Life Studies: Frontiers in Understanding Climate Change and Polar Ecosystems
The polar regions are experiencing rapid changes in climate. These changes are causing observable ecological impacts of various types and degrees of severity at all ecosystem levels, including societ …
PDF
الإنجليزية
DRM
€21.12
Committee for the Workshop on Frontiers in Understanding Climate Change and Polar Ecosystems & Division on Earth and Life Studies: Frontiers in Understanding Climate Change and Polar Ecosystems
The polar regions are experiencing rapid changes in climate. These changes are causing observable ecological impacts of various types and degrees of severity at all ecosystem levels, including societ …
EPUB
الإنجليزية
DRM
€21.87
Committee on Future Science Opportunities in Antarctica and the Southern Ocean & Division on Earth and Life Studies: Future Science Opportunities in Antarctica and the Southern Ocean
Antarctica and the surrounding Southern Ocean remains one of the world’s last frontiers. Covering nearly 14 million km² (an area approximately 1.4 times the size of the United States), Antarctica …
PDF
الإنجليزية
DRM
€3.83
Committee on Future Science Opportunities in Antarctica and the Southern Ocean & Division on Earth and Life Studies: Future Science Opportunities in Antarctica and the Southern Ocean
Antarctica and the surrounding Southern Ocean remains one of the world’s last frontiers. Covering nearly 14 million km² (an area approximately 1.4 times the size of the United States), Antarctica …
EPUB
الإنجليزية
DRM
€52.30
Committee on the Lessons and Legacies of International Polar Year 2007-2008 & Division on Earth and Life Studies: Lessons and Legacies of International Polar Year 2007-2008
International Polar Year 2007-2008 (IPY) was an intense, coordinated field campaign of observations, research, and analysis. It was the largest, most comprehensive campaign ever mounted to explore Ea …
PDF
الإنجليزية
DRM
€3.85
Committee on the Future of Arctic Sea Ice Research in Support of Seasonal to Decadal Prediction & Division on Earth and Life Studies: Seasonal to Decadal Predictions of Arctic Sea Ice
Recent well documented reductions in the thickness and extent of Arctic sea ice cover, which can be linked to the warming climate, are affecting the global climate system and are also affecting the g …
PDF
الإنجليزية
DRM
€3.84
Committee on the Future of Arctic Sea Ice Research in Support of Seasonal to Decadal Prediction & Division on Earth and Life Studies: Seasonal to Decadal Predictions of Arctic Sea Ice
Recent well documented reductions in the thickness and extent of Arctic sea ice cover, which can be linked to the warming climate, are affecting the global climate system and are also affecting the g …
EPUB
الإنجليزية
DRM
€40.95
Committee on Responding to Oil Spills in the U.S. Arctic Marine Environment & Division on Earth and Life Studies: Responding to Oil Spills in the U.S. Arctic Marine Environment
U.S. Arctic waters north of the Bering Strait and west of the Canadian border encompass a vast area that is usually ice covered for much of the year, but is increasingly experiencing longer periods a …
PDF
الإنجليزية
DRM
€3.85
Committee on Responding to Oil Spills in the U.S. Arctic Marine Environment & Division on Earth and Life Studies: Responding to Oil Spills in the U.S. Arctic Marine Environment
U.S. Arctic waters north of the Bering Strait and west of the Canadian border encompass a vast area that is usually ice covered for much of the year, but is increasingly experiencing longer periods a …
EPUB
الإنجليزية
DRM
€60.17
Committee on Opportunities to Use Remote Sensing in Understanding Permafrost and Ecosystems: A Workshop & Division on Earth and Life Studies: Opportunities to Use Remote Sensing in Understanding Permafrost and Related Ecological Characteristics
Permafrost is a thermal conditionits formation, persistence and disappearance are highly dependent on climate. General circulation models predict that, for a doubling of atmospheric concentrations of …
PDF
الإنجليزية
DRM
€3.84
Committee on Opportunities to Use Remote Sensing in Understanding Permafrost and Ecosystems: A Workshop & Division on Earth and Life Studies: Opportunities to Use Remote Sensing in Understanding Permafrost and Related Ecological Characteristics
Permafrost is a thermal conditionits formation, persistence and disappearance are highly dependent on climate. General circulation models predict that, for a doubling of atmospheric concentrations of …
EPUB
الإنجليزية
DRM
€60.47
Committee on Emerging Research Questions in the Arctic & Division on Earth and Life Studies: Arctic in the Anthropocene
Once ice-bound, difficult to access, and largely ignored by the rest of the world, the Arctic is now front and center in the midst of many important questions facing the world today. Our daily weathe …
PDF
الإنجليزية
DRM
€3.85
Committee on Emerging Research Questions in the Arctic & Division on Earth and Life Studies: Arctic in the Anthropocene
Once ice-bound, difficult to access, and largely ignored by the rest of the world, the Arctic is now front and center in the midst of many important questions facing the world today. Our daily weathe …
EPUB
الإنجليزية
DRM
€70.41
Board on Atmospheric Sciences and Climate & Committee on Linkages Between Arctic Sea Ice Loss and Mid-Latitude Weather Patterns: A Workshop: Linkages Between Arctic Warming and Mid-Latitude Weather Patterns
The Arctic has been undergoing significant changes in recent years. Average temperatures are rising twice as fast as they are elsewhere in the world. The extent and thickness of sea ice is rapidly de …
PDF
الإنجليزية
DRM
€3.84
Board on Atmospheric Sciences and Climate & Committee on Linkages Between Arctic Sea Ice Loss and Mid-Latitude Weather Patterns: A Workshop: Linkages Between Arctic Warming and Mid-Latitude Weather Patterns
The Arctic has been undergoing significant changes in recent years. Average temperatures are rising twice as fast as they are elsewhere in the world. The extent and thickness of sea ice is rapidly de …
EPUB
الإنجليزية
DRM
€47.62
Committee on the Development of a Strategic Vision for the U.S. Antarctic Program & Division on Earth and Life Studies: Strategic Vision for NSF Investments in Antarctic and Southern Ocean Research
Antarctic and Southern Ocean scientific research has produced a wide array of important and exciting scientific advances. Spanning oceanography to tectonics, microbiology to astrophysics, the extreme …
PDF
الإنجليزية
DRM
€3.84
Committee on the Development of a Strategic Vision for the U.S. Antarctic Program & Division on Earth and Life Studies: Strategic Vision for NSF Investments in Antarctic and Southern Ocean Research
Antarctic and Southern Ocean scientific research has produced a wide array of important and exciting scientific advances. Spanning oceanography to tectonics, microbiology to astrophysics, the extreme …
EPUB
الإنجليزية
DRM
€62.27
Division on Earth and Life Studies & Ocean Studies Board: Antarctic Sea Ice Variability in the Southern Ocean-Climate System
The sea ice surrounding Antarctica has increased in extent and concentration from the late 1970s, when satellite-based measurements began, until 2015. Although this increasing trend is modest, it is …
PDF
الإنجليزية
DRM
€3.83
Division on Earth and Life Studies & Ocean Studies Board: Antarctic Sea Ice Variability in the Southern Ocean-Climate System
The sea ice surrounding Antarctica has increased in extent and concentration from the late 1970s, when satellite-based measurements began, until 2015. Although this increasing trend is modest, it is …
EPUB
الإنجليزية
DRM
€70.93
Board on Life Sciences & Division on Earth and Life Studies: Understanding Northern Latitude Vegetation Greening and Browning
Vegetation change has been observed across Arctic and boreal regions. Studies have often documented large-scale greening trends, but they have also identified areas of browning or shifts between gree …
PDF
الإنجليزية
DRM
€3.85
Board on Life Sciences & Division on Earth and Life Studies: Understanding Northern Latitude Vegetation Greening and Browning
Vegetation change has been observed across Arctic and boreal regions. Studies have often documented large-scale greening trends, but they have also identified areas of browning or shifts between gree …
EPUB
الإنجليزية
DRM
€19.22
Board on Environmental Studies and Toxicology & Committee to Review the Gulf of Alaska Ecosystem Monitoring Program: Century of Ecosystem Science
This report provides guidance to the Gulf Ecosystem Monitoring (GEM) program to help ensure that it is based on a a science plan that is robust, far-reaching, and scientifically sound. The report com …
PDF
الإنجليزية
DRM
€29.01
Committee to Review NASA’s Polar Geophysical Data Sets & Division on Earth and Life Studies: Enhancing NASA’s Contributions to Polar Science
The high latitudes of the Arctic and Antarctic, together with some mountainous areas with glaciers and long-lasting snow, are sometimes called the cryosphere-defined as that portion of the planet whe …
PDF
الإنجليزية
DRM
€45.03
Board on Environmental Studies and Toxicology & Committee on Cumulative Environmental Effects of Oil and Gas Activities on Alaska’s North Slope: Cumulative Environmental Effects of Oil and Gas Activities on Alaska’s North Slope
This book identifies accumulated environmental, social and economic effects of oil and gas leasing, exploration, and production on Alaska’s North Slope. Economic benefits to the region have been acco …
PDF
الإنجليزية
DRM
€90.50
Committee on Frontiers in Polar Biology & National Research Council: Frontiers in Polar Biology in the Genomic Era
As we enter the twenty-first century, the polar biological sciences stand well poised to address numerous important issues, many of which were unrecognized as little as 10 years ago. From the effects …
PDF
الإنجليزية
DRM
€38.28
Committee on the Alaska Groundfish Fishery and Steller Sea Lions & Division on Earth and Life Studies: Decline of the Steller Sea Lion in Alaskan Waters
For an unknown reason, the Steller sea lion population in Alaska has declined by 80% over the past three decades. In 2001, the National Research Council began a study to assess the many hypotheses pr …
PDF
الإنجليزية
DRM
€54.63
Board on Atmospheric Sciences and Climate & Committee on Abrupt Climate Change: Abrupt Climate Change
The climate record for the past 100, 000 years clearly indicates that the climate system has undergone periodicand often extremeshifts, sometimes in as little as a decade or less. The causes of abrup …
PDF
الإنجليزية
DRM
€49.34
Committee to Review the Community Development Quota Program & Division on Earth and Life Studies: Community Development Quota Program in Alaska
This book reviews the performance and effectiveness of the Community Development Quotas (CDQ) programs that were formed as a result of the Sustainable Fisheries Act of 1996. The CDQ program is a meth …
PDF
الإنجليزية
DRM
€48.15
Board on Environmental Studies and Toxicology & Committee on Review of Arctic-Yukon-Kuskokwim (Western Alaska) Research and Restoration Plan for Salmon: Developing a Research and Restoration Plan for Arctic-Yukon-Kuskokwim (Western Alaska) Salmon
Recent declines in the abundance of salmon in the Arctic-Yukon-Kuskokwim (AYK) region of western Alaska have created hardships for the people and communities who depend on this resource. In 2002, the …
PDF
الإنجليزية
DRM
€36.54
Committee on a Science Plan for the North Pacific Research Board & National Research Council: Final Comments on the Science Plan for the North Pacific Research Board
The North Pacific Research Board (NPRB) was established by Congress in 1997 to recommend marine research activities to the Secretary of Commerce on or relating to the fisheries or marine ecosystem in …
PDF
الإنجليزية
DRM
€14.66
Committee on the Bering Sea Ecosystem & Division on Earth and Life Studies: Bering Sea Ecosystem
The Bering Sea, which lies between the United States and Russia, is one of the most productive ecosystems in the world and has prolific fishing grounds. Yet there have been significant unexplained po …
PDF
الإنجليزية
DRM
€81.37
Division on Engineering and Physical Sciences & National Research Council: Antarctic Treaty System
The international agreements covering Antarctica are models of cooperation and joined purpose. Convening at the Beardmore South Field Camp, near the Transantarctic Mountains, the Polar Research Board …
PDF
الإنجليزية
DRM
€111.11
Committee on Antarctic Policy and Science & Division on Earth and Life Studies: Science and Stewardship in the Antarctic
With the negotiation of the International Protocol on Environmental Protection in 1991, those nations conducting scientific research programs in Antarctica face new challenges for stewardship of the …
PDF
الإنجليزية
DRM
€24.96
Division on Earth and Life Studies & National Research Council: United States Antarctic Research Report to the Scientific Committee on Antarctic Research (SCAR)
Many nations conduct research and engage in other scientific activities on our frozen continent Antarctica.Each year the U.S. National Committee for the Scientific Committee on Antarctic Research (SC …
PDF
الإنجليزية
DRM
€19.07
Board on Health Promotion and Disease Prevention & Board on Radiation Effects Research: Arctic Aeromedical Laboratory’s Thyroid Function Study
During the 1950s, with the Cold War looming, military planners sought to know more about how to keep fighting forces fit and capable in the harsh Alaskan environment. In 1956 and 1957, the U.S. Air F …
PDF
الإنجليزية
DRM
€33.93
Division on Earth and Life Studies & National Research Council: NOAA’s Arctic Research Initiative
…
PDF
الإنجليزية
DRM
€41.85
Committee on Designing an Arctic Observing Network & Division on Earth and Life Studies: Toward an Integrated Arctic Observing Network
Observable changes with regional and global implications, such as warming temperatures and reduced sea ice, are taking place across the Arctic. However, the record of Arctic observations suffers from …
PDF
الإنجليزية
DRM
€44.38
Committee on the Assessment of U.S. Coast Guard Polar Icebreaker Roles and Future Needs & Division on Earth and Life Studies: Polar Icebreaker Roles and U.S. Future Needs
The age and condition of the U.S. Coast Guard’s polar icebreakers are jeopardizing national security and scientific research in the Arctic and Antarctic, according to an interim report from the Natio …
PDF
الإنجليزية
DRM
€21.23
Review of the Draft Research and Restoration Plan for Arctic-Yukon-Kuskokwim (Western Alaska) Salmon
Declines in the abundance of salmon in the Arctic-Yukon-Kuskokwim (AYK) region of western Alaska in the late 1990s and early 2000s created hardships for the people and communities who depend on this …
PDF
DRM
€15.34
Committee on the Assessment of U.S. Coast Guard Polar Icebreaker Roles and Future Needs & Division on Earth and Life Studies: Polar Icebreakers in a Changing World
The United States has enduring national and strategic interests in the polar regions, including citizens living above the Arctic circle and three year-round scientific stations in the Antarctic. Pola …
PDF
الإنجليزية
DRM
€3.83
Board on Global Health & Board on Life Sciences: Understanding and Responding to Global Health Security Risks from Microbial Threats in the Arctic
The National Academies of Sciences, Engineering, and Medicine in collaboration with the Inter Academy Partnership and the European Academies Science Advisory Committee held a workshop in November 201 …
EPUB
الإنجليزية
DRM
€70.78
Board on Atmospheric Sciences and Climate & Board on Earth Sciences and Resources: Identifying New Community-Driven Science Themes for NSF’s Support of Paleoclimate Research
Sediments, ice, corals, and trees are just some of the natural storehouses of information that help tell the complicated history of Earth’s climate. Paleoclimate researchers use these "proxies, …
EPUB
الإنجليزية
DRM
€42.06
Board on Earth Sciences and Resources & Committee on Future Directions for Southern Ocean and Antarctic Nearshore and Coastal Research: Future Directions for Southern Ocean and Antarctic Nearshore and Coastal Research
Antarctica hosts some of the harshest and most remote environments on Earth – and it is a region of vital importance for scientific research. The environment and position of Antarctica on the globe m …
EPUB
الإنجليزية
DRM
€37.11
Committee on a Mid-Term Assessment of NSF Progress on the 2015 Strategic Vision for Antarctic and Southern Ocean Research & Division on Earth and Life Studies: Mid-Term Assessment of Progress on the 2015 Strategic Vision for Antarctic and Southern Ocean R
The Antarctic’s unique environment and position on the globe make it a prime location to gain insights into how Earth and the universe operate. This report assesses National Science Foundation (NSF) …
EPUB
الإنجليزية
DRM
€50.38
Board on Agriculture and Natural Resources & Board on Atmospheric Sciences and Climate: Greenhouse Gas Emissions from Wildland Fires
Climate change is fundamentally changing ecosystems and their fire conditions, and the 2023 fire season highlighted the urgency of developing and implementing solutions to address wildland fires. Wil …
EPUB
الإنجليزية
DRM
€19.14
Division on Earth and Life Studies & Polar Research Board: Technology Developments to Advance Antarctic Research
Antarctica and the Southern Ocean are important research locations for many scientific disciplines, including oceanography, biology, and astronomy. Because of its remoteness and the extreme and dange …
EPUB
الإنجليزية
DRM
€23.10
