Singh, R. D. <br/><br/>
Principles and practices of modern coal mining 

 - Calcutta  ; New Age International  , 1997 
 - xxiv,696p. 
<br/><br/><label>ISBN: </label>8122409741  132 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal Mining<br/>Mining
<br/><br/><label>Dewey Class. No.: </label>622.33  / SIN