Margalef, Ramón. <br/><br/>
Ecología 
Ramón Margalef. 
 - 2 ed. 
 - Barcelona  Omega  [1977] 
 - xv, 951 p.  ill. (some col.)  27 cm. 
<br/><br/>Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>8428204055  1600ptas 
<br/><br/><label>LCCN: </label>77557568  
<br/><br/><label>Nat. Bib. No.: </label>Sp75-Sept 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>LC Class. No.: </label>QH541  / .M365 
<br/><br/><label>Dewey Class. No.: </label> / 574.5  / M327e2