SARKAR,S.K <br/><br/>
MACHANISED LONGWALL MINING 

 - NEW DELHI  Oxford & IBH Publishing  1998 
 - 240p.,24X16Cms. 
<br/><br/><label>ISBN: </label>8120412508 
<br/><br/><label>Dewey Class. No.: </label>622.33 S243