Asthana D.K and Asthana, Meera <br/><br/>
Environment : problems and solutions /  
D.K. Asthana and Meera Asthana 
 - New Delhi :  S.Chand & Company Ltd.,  1998.  
 - 434 p. 
<br/><br/><label>ISBN: </label>8121916542 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment 
<br/><br/><label>Dewey Class. No.: </label>333.7 AST A