From conservation to ecology the development of environmental concern

From conservation to ecology the development of environmental concern

Xehetasun bibliografikoak
Egile nagusia: Pursell, Carroll W.
Formatua: Liburua
Hizkuntza:English
Argitaratua: New York Crowell 1973.
Saila:Problem studies in American history
Gaiak:
Environmental policy > United States.
Ecology > United States.
Natural resources > United States.