Social and environmental aspects of desertification : proceedings of an inter-congress meeting of the International Geographical Union...
Mabbutt, J. A.
Social and environmental aspects of desertification : proceedings of an inter-congress meeting of the International Geographical Union... - Tokyo : United Nations University, 1980 - 40 p. ; mapas - NRTS, 5/UNUP ; 127 . - NRTS, 5/UNUP ; 127 .
27828
Desiertos.
Erosión.
Social and environmental aspects of desertification : proceedings of an inter-congress meeting of the International Geographical Union... - Tokyo : United Nations University, 1980 - 40 p. ; mapas - NRTS, 5/UNUP ; 127 . - NRTS, 5/UNUP ; 127 .
27828
Desiertos.
Erosión.