Underground :  the way to the future / 
edited by George Anagnostou, Heinz Ehrbar. 
 - xxvii, 354 pages :  illustrations ;  26 cm. 
<br/><br/><label>ISBN: </label>9781138000940 1138000949 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Underground construction.<br/>Tunnels--Design and construction.<br/>Geology.
<br/><br/><label>LC Class. No.: </label>TA805   / .U52 2013