Attar Chand <br/><br/>
Environmental challenges    A global Survey 

 - Delhi  UDH Publishers        1985 
 - xlvi,335p  cm. 
<br/><br/><label>Standard No.: </label>75064 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:(G:55).1aN84, M5