NORTH American Tunneling 2006 
edited by Levent Ozdemir 
 - London  Taylor & Francis  c2006 
 - viii 482p .:  ill .;  26cm  1 CD-ROM 
<br/><br/><label>ISBN: </label>0415401283 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DSB,KKA<br/>Underground construction