Sharma, P D <br/><br/>
Ecology and environment / 
Sharma, P D 
 -  Rastogi & Co., Meerut,  2001 
 - p. ;  22 cm. 
<br/><br/><label>ISBN: </label>9788171338146 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology; Biodiversity; Conservation
<br/><br/><label>Dewey Class. No.: </label>577 SHA-E