Ahola, M. P. <br/><br/>
Application of numerical modeling techniques to analysis of cutter roof failure / 
by M.P. Ahola, D.A. Donato, and N.P. Kripakov. 
 - Pittsburgh, Panama :  U.S. Dept. of the Interior, Bureau of Mines,  1991. 
 - ii, 28 p. :  ill. 
 - Information circular ;  9287 .
 - Information circular (Bureau of Mines) ;  9287 .
 - Information circular (United States. Bureau of Mines) ;  9287 .
<br/><br/><label>LCCN: </label>91036001     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mine roof control--Mathematical models.