World directory of environmental organizations: a handbook ... earth's resources  edited by Thaddeus C. Trzyna, Robert Childors. 

 - 14th ed. 
 - Scramento  California Institute  1992 
 - 321p., 28cm. 
<br/><br/><label>ISBN: </label>0-912102-97-7. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment.
<br/><br/><label>Dewey Class. No.: </label>574.506,  / T82W