Subrahmanyam, N. S. <br/><br/>
Ecology / 

 - 2 nd ed. 
 - Mumbai ;  Narosa publishing house ,  2006. 
 - various pagination ;  ill.,  24 cm 
<br/><br/><label>ISBN: </label>8173192898 
<br/><br/><label>LC Class. No.: </label>QH51.14  / .S 2006