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.

Dettagli Bibliografici
Ente Autore: United Nations Environment Programme
Natura: Libro
Lingua:English
Pubblicazione: Nairobi United Nations Environment Programme 1981.
Soggetti:
Ecology > bibl.
Pollution > Environmental aspects > Bibl.
Environmental protection > Bibl.
United nations Environment Programmed > Catalogs.