Arora,K R. <br/><br/>
Surveying . vol 1 

 - Delhi :  Standard Book House,  2007 
 - 721. 
<br/><br/><label>ISBN: </label>819008934X  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical geography
<br/><br/><label>Dewey Class. No.: </label>526.36  / ARO