مؤلف: Helmut Zwolfer

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1 كتب إلكترونية بواسطة Helmut Zwolfer

Ernst-Detlef Schulze & Helmut Zwolfer: Potentials and Limitations of Ecosystem Analysis
The identification of inputs and outputs is the first and probably most important step in testing and analyzing complex systems. Following accepted natural laws such as the conservation of mass and t …
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