Verma, PS . <br/><br/>
Animal Ecology: Environmental Biology /  Textual Documents 
PS Verma, VK Agarwal. 
 - 3rd ed. / 
 - New Delhi :  S. Chand & Company ,  1987. 
 - vii, 246, xxip. :  ill. ;  22cm . 
<br/><br/>Index 
<br/><br/><label>ISBN: </label> HB 
<br/><br/><label>Subjects--Index Terms: </label>Zoology Ecology-Animal Environmental Biology Animal Ecology PG-Zoology 
<br/><br/><label>Dewey Class. No.: </label>591.5  / Ve 58 An