State of the environment  a view toward the nineties 

 - Washington  Conservation Foundation  1987 
 - xlviii, 614 p.  Illustration 
<br/><br/><label>ISBN: </label>0891640983 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIAL PROBLEMS
<br/><br/><label>Dewey Class. No.: </label>363.7  / STA