Verma, P. S. <br/><br/>
Animal ecology  : environmental biology 
P. S. Verma and V. K. Agarwal 
 - 3rd 
 - New Delhi:  S. Chand,  1987. 
 -  vii, 246, xxip. 
<br/><br/> Includes bibliography and index 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment
<br/><br/><label>Dewey Class. No.: </label>574.5  / VEA