Aldorf, Josef <br/><br/>
Mine openings :  stability and support / 
by Joseph Aldorf and Karel Exner 
 - Amsterdam :  Elsevier North-Holland,  1986 
 - 392 p. :  ill. ;  25 cm. 
 - Developments in geotechnical engineering ;  v.40 .
<br/><br/> Includes indexes 
<br/><br/><label>ISBN: </label>0444995250 
<br/><br/><label>LCCN: </label>85-97595 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Shaft sinking<br/>Ground control (Mining)