Rock mechanics  proceedings of the 28th U.S. Symposium 
edited by I. W. Farmer ... (et al.) 
 - Rotterdam  A. A. Balkema  1987 
 - 1240 p. : ill. ; 23 cm. 
<br/><br/><label>ISBN: </label>9061916992 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rock mechanics--Congresses