Underground mining methods and technology  proceedings of the international symposium on... September 8-13, 1986 
edited by A. B. Szwilski and M. J. Richards 
 - Amsterdam  Elsevier North-Holland  1987 
 - 472 p. : ill. ; 25 cm. 
 - Advances in mining science and technology  1 .
<br/><br/><label>ISBN: </label>0444428453 
<br/><br/><label>LCCN: </label>87-15618 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mining engineering--Congresses