Environmental protection / 
editors, Arvind Kumar, Shamshun Nehar. 
 - Delhi :  Daya Pub. House,  2007 
 - xi, 322 p. :  ill.   25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>8170354889 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection.
<br/><br/><label>Universal Decimal Class. No.: </label>363.7