Agor,R <br/><br/>
Surveying and Levelling 

 - 5th 
 - New Delhi  Khanna  2011 
 - xxii,1060p. 
<br/><br/><label>ISBN: </label> RS 265.00 
<br/><br/><label>Dewey Class. No.: </label>526.9 AGO,R