Cox, George W. <br/><br/>
Laboratory manual of general ecology 

 - 2 ed. 
 - Dubuque, Iowa :  Wm. C. Brown,  1972 
 - 195 p.  : ilus. 
 - Biology series .
 - Biology series .
<br/><br/><label>LCCN: </label>31385 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecología.
<br/><br/><label>Dewey Class. No.: </label>574.5  / C6 1972