Boky, B. <br/><br/>
Mining / 
B. Boky, 
 - Moscow :  Mir Publishers,  1967 
 - 753 p. :  ill. ; 
<br/><br/>Index present 
<br/><br/><label>Subjects--Topical Terms: </label><br/>mining
<br/><br/><label>Dewey Class. No.: </label>622  / BOK 1967