Enciclopedia Oceano de la ecología. 

 - Barcelona  Oceano  c1998. 
 - v. (319 p.)  col. ill., maps . 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>8449401968 (Set)  95.00 8449401992 (v. 3) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology