Agor, R. <br/><br/>
A Text book of Surveying and Levelling 

 - New Delhi  Khanna  2006 
 - xxii, 1004p. 
<br/><br/><label>ISBN: </label> RS 190.00 
<br/><br/><label>Dewey Class. No.: </label>526.9 AGO, R