Duggal,S K, <br/><br/>
Surveying vol-1 
By S K Duggal 
 - 3rd ed. 
 - New Delhi  Tata Mc Graw Hill  2011 
 - xiv,612p:    20cm. 
<br/><br/><label>ISBN: </label>9780070751376 
<br/><br/><label>Dewey Class. No.: </label>625.723