Cox, George W <br/><br/>
Laboratory manual of general ecology  / 
George W Cox 
 - 2a ed. 
 - Dubuque, Iowa  :  Brow,  1974 
 - 195 p. :   ilus. 
<br/><br/><label>ISBN: </label>0-697-04665-6 
<br/><br/><label>LCCN: </label>165599 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecología I. t.
<br/><br/><label>Dewey Class. No.: </label>574.5 C69