From conservation to ecology the development of environmental concern

Detalhes bibliográficos
Autor principal:	Pursell, Carroll W.
Formato:	Livro
Idioma:	English
Publicado em:	New York Crowell 1973.
Colecção:	Problem studies in American history
Assuntos:	Environmental policy > United States. Ecology > United States. Natural resources > United States.