Can desert encroachment be stopped? : A study with emphasis on Africa /
A. Rapp, H. N. Le Houérou and B. Lundholm, (editors)
- 241 páginas : ilustraciones
- Ecological bulletins ; no. 24 .
"Report published in cooperation between the United Nations Environment Programme (UNEP) and the Secretariat for International Ecology, Sweden (SIES)"
9154602122
Desertificación--África Desertificación--Cercano Oriente Regiones áridas--África Agricultura de regiones áridas--Cercano Oriente