Agor, R. <br/><br/>
Surveying and levelling 

 - 11th ed. 
 - New Delhi:  Khanna Publishers,  2014. 
 - 1216p. 
<br/><br/><label>ISBN: </label>9788174092359  335 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil Engineering 
<br/><br/><label>Dewey Class. No.: </label>526.9 AGO R