ROBRT LEO SMITH <br/><br/>
ELEMENTS OF ECOLOGY 

 - 1 
 -  INC  1992 
 - I-12 
<br/><br/><label>ISBN: </label>ISBN 0-060463268 
<br/><br/><label>LC Class. No.: </label>1 
<br/><br/><label>Dewey Class. No.: </label>574/SMI