World map of the status of human-induced soil degradation : a brief explanatory note / prepared by L.R. Oldeman, R.T.A. Hakkeling and W.G. Sombroek, [and] edited by A.T. Ayoub.
TitleWorld map of the status of human-induced soil degradation : a brief explanatory note / prepared by L.R. Oldeman, R.T.A. Hakkeling and W.G. Sombroek, [and] edited by A.T. Ayoub.
Date[Nairobi] : International Soil Reference and Information Centre (ISRIC) ; UNEP, Apr. 1991.
Description
1 portfolio: maps
Notes
In cooperation with Winand Staring Centre, International Society of Soil Science, Food and Agriculture Organization of the United Nations of the United Nations, International Institute for Aerospace Survey and Earth Sciences. 3 maps on 3 folded leaves in pocket.