Valdiya K.S  <br/><br/>
environmental geology  

 - 2 
 - Megraw hill   New Delhi   2013 
 - XXVII, 615p.   1360 
<br/><br/><label>ISBN: </label>9781259058479 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOLOGY 
<br/><br/><label>Dewey Class. No.: </label>554.1 VAL