An Environmental bibliography publications issued by UNEP or under its auspices, 1973-1980.

An Environmental bibliography publications issued by UNEP or under its auspices, 1973-1980.

书目详细资料
企业作者: United Nations Environment Programme
格式: 图书
语言:English
出版: Nairobi United Nations Environment Programme 1981.
主题:
Ecology > bibl.
Pollution > Environmental aspects > Bibl.
Environmental protection > Bibl.
United nations Environment Programmed > Catalogs.