Survey of activities related to the implementation of the objectives of selected areas of the Environment Programme : environmentally sound and appropriate technology.
1979
详细记录
符号***
标题Survey of activities related to the implementation of the objectives of selected areas of the Environment Programme : environmentally sound and appropriate technology.
索书号
UNEP(05)/R31
日期Nairobi : UN, 1979.
描述
[iv], 102 p.