From conservation to ecology the development of environmental concern

Detaylı Bibliyografya
Yazar:	Pursell, Carroll W.
Materyal Türü:	Kitap
Dil:	English
Baskı/Yayın Bilgisi:	New York Crowell 1973.
Seri Bilgileri:	Problem studies in American history
Konular:	Environmental policy > United States. Ecology > United States. Natural resources > United States.