World directory of environmental organizations
Subtitle: a handbook ....
Contributors: Trzyna, Thaddeus C.
Edition: 3rd ed / edited by Thaddeus C. Trzyna ..
Publisher: California Institute of Public Affairs in cooperation with the Sierra Club and IUCN-The World Conservation Union
Published: 1989
Place of publication: Claremont (Calif.)
Language: eng
Notes: Previous ed. by E. V. Coan & T. C. Trzyna published in 1976.