Dowdeswell, W. H. <br/><br/>
Ecology :  principles and practice / 
W.H. Dowdeswell. 
 - London ;  Exeter, N.H. :  Heinemann Educational,  1984. 
 - viii, 312 p. :  ill. ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0435602268 (pbk.) : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.
<br/><br/><label>LC Class. No.: </label>QH541  / .D69 1984 
<br/><br/><label>Dewey Class. No.: </label>574.5