577<br/>VERE<br/><br/>
7725<br/><br/>
Verma, P. S. <br/><br/>
ENVIRONMENTAL BIOLOGY  : PRINCIPLES OF ECOLOGY 

. – NEW DELHI :  S.CHAND.
<br/><br/>viii, 591 p. 
<br/><br/>ISBN 81-219-0859-0 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECOLOGY
<br/><br/><label>Dewey Class. No.: </label>577  / VERE