H.M. Gregersen ... [et al.]

Food and Agriculture Organization of the United Nations 1995 FAO forestry paper 127

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edited by Hans Gregersen, Peter Oram, John Spears

International Food Policy Research Institute 1992

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Food Agriculture Organization of the United Nations 1992 FAO forestry paper 102

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by H.M. Gregersen ...[et al.]

Food and Agriculture Organization of the United Nations 1987 FAO conservation guide 16

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editors, Stephen E. McGaughey, Hans M. Gregersen

Inter-American Development Bank 1983

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Hans M. Gregersen

In-house reproduction [manufacture]

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prepared by Hans M. Gegersen, Arnoldo H. Contreras

Food and Agriculture Organization of the United Nations 1979-1980 FAO forestry paper 17

[text] , Sup. 1 case studies , Sup. 2 readings

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Hans M. Gregersen and Arnoldo Contreras

Published for Resources for the Future by Johns Hopkins University Press c1975

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