Margalef, Ramón. <br/><br/>
Perspectives in ecological theory. 

 - Chicago  University of Chicago Press  [1968] 
 - viii, 111 p.  illus.  23 cm. 
 - Chicago series in biology [v. 1] .
<br/><br/> 920504 
<br/><br/>Bibliography: p. 103-106. 
<br/><br/><label>LCCN: </label>68027291  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>LC Class. No.: </label>QH541  / .M37 
<br/><br/><label>Dewey Class. No.: </label>574.5