Chemical engineering in the coal industry :  an international conference organized by the National Coal Board, Great Britain and held at its Coal Research Establishment at Stoke Orchard, Cheltenham, England, in June 1956 / 
edited by Forbes W. Sharpley 
 - London :  Pergamon Press,  1956 
 - 141 p. :  ill.. ;  25 cm. 
<br/><br/><label>ISBN: </label> Rs. 50.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal
<br/><br/><label>Dewey Class. No.: </label>662.6063