Margalef, Ramon <br/><br/>
Perspectives in ecological theory 

 - Chicago:  University of Chicago Press,  1968 
 - vii, 111 p.:  ill. ;  22cm 
 - Chicago series in biology .
<br/><br/> Acc. No. 03957 
<br/><br/><label>ISBN: </label>0226505057 
<br/><br/><label>Subjects--Personal Names: </label><br/>Ecology