00362nam a2200109Ia 450000500170000000800410001705000200005810000080007824501110008626000200019765000350021720251229183938.0251229s9999    xx            000 0 und d  aS 612.55 .C6D79  aFAO 0aDrylands development and combating desertificationb bibliogaraphic study of experiences in ChinacFAO FAO  aRomebFAOc1997  aDesertification -Control,China