Rock mechanics :  proceedings of the 28th U.S. Symposium / 
edited by I. W. Farmer ... [et al.]. 
 - Rotterdam ;  Boston :  A.A. Balkema,  1987. 
 - xxiii, 1240 p. :  ill., graphs, maps. 
<br/><br/><label>ISBN: </label>9061916992 (hard) 
<br/><br/><label>LCCN: </label>90043082 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rock mechanics.