PANIGRAHI,D.C Edr. <br/><br/>
MINE ENVIRONMENT AND VENTILATION 

 - NEW DELHI  Oxford & IBH Publishing 
 - 546p., 
<br/><br/><label>ISBN: </label>81-204-1458-6 
<br/><br/><label>Dewey Class. No.: </label>622.42 P192