Punmia, B C, et. al. <br/><br/>
Surveying, Vol.1 

 -   Laxmi Publications Ltd, New Delhi  2002 
 - 642 
<br/><br/><label>ISBN: </label>1943 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Soil surveys
<br/><br/><label>Dewey Class. No.: </label>624.1517  PUN-S