Protection and management of land resources : alternative sustainable systems of production : report of the Secretary-General of the Conference : United Nations Conference on Environment and Development.
1991
详细记录
符号A/CONF.151/PC/25
标题Protection and management of land resources : alternative sustainable systems of production : report of the Secretary-General of the Conference : United Nations Conference on Environment and Development.
日期Geneva : UN, 28 Jan. 1991.
描述
17 p.
备注
At head of title: Working Group I.