Singh P K <br/><br/>
Encyclopedia of Earth Science 

 - 2009 
 - New Delhi  SBS Pub. Dis. Pvt. Ltd.  2009 
 - 371 
<br/><br/><label>ISBN: </label>9789380090061 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>550.3 SIG