From conservation to ecology the development of environmental concern

Библиографические подробности
Главный автор:	Pursell, Carroll W.
Формат:	‌
Язык:	English
Опубликовано:	New York Crowell 1973.
Серии:	Problem studies in American history
Предметы:	Environmental policy > United States. Ecology > United States. Natural resources > United States.