Southwick, Charles H.. <br/><br/>
Ecology and The quality of our environment /  

 - 2nd ed. /  
 - New York :   D. Van Nostrand Company Regional Offices ,   1997 
 - xxi, 426p ;  
<br/><br/><label>ISBN: </label>0-442-=27921-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life Science <Ecology>
<br/><br/><label>Dewey Class. No.: </label>G:55  / L2S,L6