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

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

Available at 3 libraries

edited by Hans Gregersen, Peter Oram, John Spears

International Food Policy Research Institute 1992

Available at 1 libraries

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

Available at 2 libraries

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

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

Available at 1 libraries

editors, Stephen E. McGaughey, Hans M. Gregersen

Inter-American Development Bank 1983

Available at 1 libraries

Hans M. Gregersen

In-house reproduction [manufacture]

Available at 1 libraries

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

Available at 3 libraries

Hans M. Gregersen and Arnoldo Contreras

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

Available at 5 libraries