Specification for tunnelling / 
the British tunnelling society and the Institution of civil engineers. 
 - 3rd ed. 
 - London :  T. Telford,  cop. 2010. 
 - 184 p. :  ill. ;  30 cm. 
<br/><br/><label>ISBN: </label>9780727734778  RM225.36 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tunneling--Standards--United Kingdom.<br/>Tunnels--United Kingdom.--Specifications