Agor,R <br/><br/>
Text book of Surveing and Levelling 
R. Agor 
 - 10th. ed.  ` 
 - New Delhi  Khanna Publishers  2008 
 - xxii, 1060p. :  ill. ;  20 cm. 
<br/><br/><label>ISBN: </label>9788174092359 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Survey
<br/><br/><label>Dewey Class. No.: </label>526.9 AGO