Margalef, Ramón,   1919-2004 <br/><br/>
Ecología /  
Ramón Margalef. 
 - Barcelona,   Omega,   1982. 
 - 951 p. 
<br/><br/><label>ISBN: </label>8428204055 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECOLOGIA
<br/><br/><label>Dewey Class. No.: </label>574