Agor ,R. <br/><br/>
A Text Book of Advanced Surveying. 

 - 526 Ag74,a 
 - New Delhi   Khanna Publishers  1999 
 - xvi, 684 p. 
<br/><br/><label>ISBN: </label>81-7409-053-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Civil