Shea-Albin, V. R. <br/><br/>
Elastic wave velocity and attenuation as used to define phases of loading and failure in coal / 
by V.R. Shea-Albin, D.R. Hanson, R.E. Gerlick. 
 - Washington, D.C. :  U.S. Dept. of the Interior, Bureau of Mines,  1991. 
 - ii, 43 p. :  ill. 
 - Report of investigations ;  9355 .
 - United States.  Bureau of Mines.  Report of investigations ;  9355 .
 - Report of investigations (United States. Bureau of Mines) ;  9355 .
<br/><br/><label>LCCN: </label>90049808 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ground control (Mining)<br/>Coal--Testing.<br/>Fracture mechanics.