Shrivastava, A K <br/><br/>
Nature conservation/ 
	A K Shrivastava 
 - New Delhi :   A.P.H. Publishing corp.,   2004 
 - viii, 345 p.    23 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>8176485969 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  Nature ;  Air Pollution.;  Pollution.
<br/><br/><label>Universal Decimal Class. No.: </label>333.9516