Earthcare : global protection of natural areas : processings of the Fourteenth Biennial Wilderness Conference /
edited by Edmund A. Schofied
- Boulder, Colo. : Westview Press, 1978
- xxi, 838 p. : ill. ; 24 cm.
Published in cooperation with the Sierra Club and National Audubon Society
0891580344 : PND 20.00
Nature conservation--Congresses Environmental protection--Congresses Conservation of natural resources--Congresses