Kumar,Arvind <br/><br/>
Environmental challenges of the 21st century 

 - New Delhi  APH Publishing Corporation  2003 
 - 673  Hb 
<br/><br/><label>ISBN: </label>81-7648-406-7 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>574.5