HARTMAN,H.L <br/><br/>
INTRODUCTORY MINING ENGINEERING 

 - 2 
 - NEW YORK  Wiley  2002 
 - xii+570p.,21X16Cms. 
<br/><br/><label>ISBN: </label>0-471-34851-1 
<br/><br/><label>Dewey Class. No.: </label>622 H333