Soil conservation : land loss : a challenge for the African countries engaged in drought and desertification control : report on the activities of the Sahel and Sahara Observatory.
1992
Files
详细记录
符号A/CONF.151/PC/118
标题Soil conservation : land loss : a challenge for the African countries engaged in drought and desertification control : report on the activities of the Sahel and Sahara Observatory.
获取中文: A_CONF.151_PC_118-ZH - PDF ;
议程信息
A/CONF.151/PC/96[WG.I] 2 Protection of the atmosphere.
A/CONF.151/PC/96[WG.I] 2b Ozone depletion.
A/CONF.151/PC/96[WG.I] 2b Ozone depletion.
日期[New York] : UN, 14 Jan. 1992.
描述
7 p.
备注
At head of title: Working Group I.
Prepared by the Sahel and Sahara Observatory.
Prepared by the Sahel and Sahara Observatory.