The 1993 Information please environmental almanac

Detaylı Bibliyografya
Müşterek Yazar:	World Resources Institute
Materyal Türü:	Kitap
Dil:	English
Baskı/Yayın Bilgisi:	Boston Houghton Mifflin Co. 1993. ©1992.
Konular:	Environmental protection. Human ecology. Ecology. Conservation of natural resources.