Sharma, P. D. <br/><br/>
Ecology and environment :  A text book for university students with cloured plates  / 
P. D. Sharma  
 - 13th ed. 
 - 755 p. 
<br/><br/><label>ISBN: </label>9350781220 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment <br/>EP<br/>Ecology 
<br/><br/><label>Dewey Class. No.: </label>577  / SHA-E