Principles of Soil Conservation and Management | National Academy of Science, National Research Council, Washington D |
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Paul Weiss chairman of renewable resources study 1962 | Committee on 21st Century Systems Agriculture 2010 |
United States Department of Agriculture, Alternative Farming Systems Information Center.
26"Low Carbon Desalination: Status and Research, Development, and Demonstration Needs, Report of a workshop conducted at the Massachusetts Institute of Technology in association with the Global Clean Water Desalination Alliance" | |
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