Dowdeswell, Wilfrid Hogarth <br/><br/>
Ecology :  principles and practice / 
W.H. Dowdeswell. 
 - London:   Heinemann Educational Books,   1984.  
 - 312 p. :  ill. ;  23 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0435602268 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>577