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.

書誌詳細
団体著者: United Nations Environment Programme
フォーマット: 図書
言語:English
出版事項: Nairobi United Nations Environment Programme 1981.
主題:
Ecology > bibl.
Pollution > Environmental aspects > Bibl.
Environmental protection > Bibl.
United nations Environment Programmed > Catalogs.