Sears, Paul Bigelow,  1891- <br/><br/>
The biology of the living landscape ;  an introduction to ecology / 
Paul Bigelow , Sears. 
 - London :  Allen and Unwin ,  1964. 
 - 176 p. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.
<br/><br/><label>Dewey Class. No.: </label>574.5