Einstein, Herbert H. <br/><br/>
Tunnels in Opalinus Clayshale: case histories and new developments 

 - Rotterdam  A.A. Balkema  1999 
 - pp. 45-54  ilus. 
 -  t.1 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>CONSTRUCCION<br/>MECANICA DE ROCAS<br/>MODELOS MATEMATICOS<br/>TUNELES
<br/><br/><label>Subjects--Geographic Terms: </label><br/>SUIZA
<br/><br/><label>Universal Decimal Class. No.: </label>624.12(082.21)/A48|71