British Tunnelling Society <br/><br/>
Closed-Face Tunnelling Machines and Ground Stability :  A Guideline for Best Practice / 
British Tunnelling Society 
 - London:  Thomas Telford;  2005. 
 - 77p. :  ill. ; 
<br/><br/><label>ISBN: </label>9780727733863  
<br/><br/><label>Dewey Class. No.: </label>624.19  / BTS-C