Singh, R D <br/><br/>
Principles And Practices Of Modern Coal Mining  
/ by  R D Singh 
 - New Delhi  New Age International Publishers  1998 
 - xxiv,696p 
<br/><br/><label>ISBN: </label>	81-224-0974-1 
<br/><br/><label>Dewey Class. No.: </label>622.334  / SIN/P