_Natural Resource conservation an ecological Approach[5th ed.] Oliver Owen S  

 - New York Macmillan 1990  
 - xiii,538p;ill  
<br/><br/> includes index  
<br/><br/><label>ISBN: </label>00239011-x  
<br/><br/><label>Subjects--Topical Terms: </label><br/>_Natural Resource 
<br/><br/><label>LC Class. No.: </label>S 938 .O87 1990