Attar Chand <br/><br/>
Environmental challenges 

 - Delhi  U D H Publishers India        1985 
 - xivi,335p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography- Environment
<br/><br/><label>Dewey Class. No.: </label>U:(G:55), M5