02a0027293;92-1-119826-7;¥351.51;20011205d1997 ekmy0engy01;eng;a z 000yy;r;Sustainable development of water resources in Asia and the Pacific;an overview;New York;United Nations;1997;v, 162 p.;ill.;亚太地区水资源的可持续发展: 概述;a490;101;460013;490;Su8;r¥351.51;a07;b1