World Tunnel Congress '98 (1998 : Sao Paulo) <br/><br/>
Tunnels and metropolises  : proceedings of the World Tunnel Congress '98 on Tunnel 
/ Sao Paulo, Brazil, 25-30 April, 1998; edited by Arsenio Negro jr; Argimiro Alvarez Ferreira 
 - Sao paulo  A.A.Balkema  1998 
 - xi,1264p. 
<br/><br/> Includes Index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tunneling
<br/><br/><label>Dewey Class. No.: </label>624.193  / TUN