Boky, B. <br/><br/>
Mining 

 - Moscow :  Mir Publication,  1994 
 - 753. 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General management
<br/><br/><label>Dewey Class. No.: </label>658