Tunnel construction '90 <br/><br/>
Tunnel construction '90 : papers presented at the Tunnel Construction '90 confer 

 - London  Institution of mining and mettallurgy  1990 
 - vii, 194p. 
<br/><br/><label>ISBN: </label>255933 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tunneling
<br/><br/><label>Dewey Class. No.: </label>624.193  / INS