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

 - 11th ed. 
 - New Delhi:  Khanna Publishers,  2012 
 - 1216 p. ; 
<br/><br/><label>ISBN: </label>978-81-7409-235-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CIVIL
<br/><br/><label>Dewey Class. No.: </label>526.9  / AGO/S