World Directory of Environmental Organizations: Preliminary Edition, Edited by Thaddeus C. Trzyna. Sierra Club, 1050 Mills Tower, San Francisco, California 94104: 155 pp., 28 × 21.5 × 1.1 cm, stiff paper covers, US $7.50, 1973.
1988 ◽
Vol 8
(1)
◽
pp. 95-95
Keyword(s):
1988 ◽
Vol 8
(1)
◽
pp. 91-91
1992 ◽
Vol 11
(2)
◽
pp. 61-66