Ecology ; A. Davies. 

 - London:   Murray,   1973.  
 - 93 p. :  ill. ;  22 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0719527309 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>577