Singh, R. D. <br/><br/>
Princilples and Practice of Modern Coal Mining 

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