Shahani, P.B.. <br/><br/>
Text Book of Surveying Volume II /  

 - Second Ed. /  
 - New Delhi-1 :   Oxford & IBH Publishing Co. ,   1983 
 - p641 :  
<br/><br/><label>ISBN: </label>81-204-0053-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Surveying
<br/><br/><label>Dewey Class. No.: </label>D:2  / L9.2