TY - BOOK ED - United Nations Environment Programme TI - Drylands, wetlands, croplands : Turning liabilities into assets T2 - Exchange environmental experience series ; book 2 SN - 9280712055 PY - 1989/// CY - Nairobi PB - United Nations Environment Programme KW - Arid regions agriculture KW - Crops and soils KW - Wetlands N1 - Acc. No. 12128 ER -