Dryland nanagement : the "desertification" problem / Ridley Nelson
Main AuthorNelson, RidleyCorporate Author (Secondary)World BankCountryEstados Unidos.PublicationWashington : World Bank, cop. 1990DescriptionVII, 39 p. ;
28 cmSeriesWorld Bank Technical paper , 116ISBN0-8213-1444-0 CDU631.6
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