Watt, Kenneth E. F. <br/><br/>
Ecology and resource management  : a quantitative approach 

 - New York :  McGraw-Hill,  1968 
 - 540 p.  : ilus. 
 - Series in population biology .
 - Series in population biology .
<br/><br/><label>LCCN: </label>53203 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecología.<br/>Recursos naturales--Conservación.
<br/><br/><label>Dewey Class. No.: </label>574.5  / W3