Speth, Gus <br/><br/>
Environmental quality / 
Gus Speth 
 - Washington :  Council on Environmental Quality,  1980 
<br/><br/>Includes references & index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental quality
<br/><br/><label>Dewey Class. No.: </label>628  / SPE