Nanada J N <br/><br/>
Materials and environment 

 - New Delhi   Interprint India          1984 
 - 132p. Bib p. 119-28  cm. 
 - Environmental science series .
<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), M4