Rock Mechanics: Pressure tunnels : 

 -  1982. 
 - 520 pages 
<br/><br/><label>ISBN: </label>9789061912354 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Caves.
<br/><br/><label>Dewey Class. No.: </label>624.15132  / WIT