Woodbury, A. M. <br/><br/>
Principle of general ecology 

 - Toronto   : McGraw-Hill Book Company,  1954 
 - viii, 503p.   : ill.   ; 23cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>LC Class. No.: </label>QH541.W6