UNEP, 1992: World Atlas o f Desertification, London, Edward Arnold.Middleton, N. and Thomas, D. 1994 . World Atlas of Desertification , Second Edition . London : Arnold for the United Nations Environment Programmeme .U...
UNEP: World Atlas of Desertification, Edward Arnold, London, UK, 1992. H Thakkar - 《Development》 被引量: 3发表: 2008年 The United Nations data bases on desertification Based on these, a new, extensively revised edition of the World Atlas of Desertification was published by UNEP in 1997. ...