SINGH,R.D <br/><br/>
PRINCIPLES & PRACTICE OF MODERN COAL MINING 

 - NEW DELHI  NEW AGE INTERNATIONAL  1998 
 - xxiv+696p.,23X18Cms 
<br/><br/><label>ISBN: </label>8122409741 
<br/><br/><label>Dewey Class. No.: </label>622.33 S617