Agor, R. <br/><br/>
A text book of surveying & levelling 

 - Delhi  Khanna   2002 
 - xxii, 1004p.  21cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Map projections<br/>Linear measurement<br/>Chain surveying<br/>Reduction diagram
<br/><br/><label>Dewey Class. No.: </label>526.9  / AGO