Guptta, B. L. <br/><br/>
Unchya surveshan / 
B. L. Guptta 
 - New Delhi :  Standard Publishers Distributors,  2011. 
 - 492 p. :  ill. ;  21 cm. 
<br/><br/><label>ISBN: </label>8180141690 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1.Civil Engineering 
<br/><br/><label>Dewey Class. No.: </label>621.3678  / GUP/U