Rock mechanics  caverns and pressure shafts  kavernen und druckschachte  les cavernes et les pnits sous proession 
editor, W. Wittke 
 - Rotterdam  A. A. Balkema  1982 
 - 3 v. : ill. ; 26 cm. 
<br/><br/> 'This international sysmposium is organized by the German Geotechnical society, from 26th-28th May, 1982 under the sponsorship of the International Society for Rock Mechanics (ISRM)' 
<br/><br/><br/>engfreger 
<br/><br/><label>ISBN: </label>9061912334 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks--Testing--Congresses<br/>Rock pressure--Congresses