State of the environment report, 1987 : major environmental events : report of the Executive Director : United Nations Environment Programme.
1987
Files
详细记录
符号UNEP/GC/14/10
标题State of the environment report, 1987 : major environmental events : report of the Executive Director : United Nations Environment Programme.
获取English: UNEP_GC_14_10-EN - PDF ;
日期Nairobi : UN, 6 Apr. 1987.
描述
15, [2] p.
备注
Includes bibliographical references.