Earth, air, and water resources and environment in the late 20th century

Detaylı Bibliyografya
Yazar:	Simmons, Ian Gordon 1937-
Materyal Türü:	Kitap
Dil:	English
Baskı/Yayın Bilgisi:	London E. Arnold c1991.
Konular:	Human ecology. Conservation of natural resources. Natural resources.