2 كتب إلكترونية بواسطة Kristopher D. Barrett
Kristopher D Barrett: Fulvic and Humic Acids
This book is about humic and fulvic acids, two types of organic substances which are increasingly becoming popular in agriculture and organic farming. In this book, the authors study and reveal their …
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DRM
€232.55
Hanako Ayabito & Mitsuko Katsukawa: Ultrasonics
Ultrasonics has been recognized not only as a viable and dependable tool to prognosticate diseases in medical practices but also a prevailing technique in non-destructive detection and manufacturing. …
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DRM
€308.80