Agor, R.  <br/><br/>
Textbook of surveying and levelling / 

 - New Delhi,  Khanna Publishers,  c2006. 
 - xxii, 1004 p. ;  ill. ;  22 cm.  
<br/><br/><label>ISBN: </label>NA 
<br/><br/><label>Dewey Class. No.: </label>526.982