Saxena, Subash C. <br/><br/>
Tunnel Engineering 

 - New Delhi  Dhanpat Rai Publication  2012 
 - 176 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering and Information Technology
<br/><br/><label>Dewey Class. No.: </label>624.1  / SAX