Agor,R. <br/><br/>
A Textbook of Surveying & Levelling 

 - 9th. 
 - Delhi  Khanna  1999 
 - xxii,1012p. 
<br/><br/><label>ISBN: </label> Rs.140/- 
<br/><br/><label>Dewey Class. No.: </label>526.9