Simeons, Charles. <br/><br/>
Coal  Its role in Tomorrow's Technology :Source Book on Global Coal Resources 
by Charles Simeons 
 - Oxford  Pergamon  1978 
 - xv, 313p. incl. bibl.  ind. 
<br/><br/><label>ISBN: </label>0080227120 
<br/><br/><label>Dewey Class. No.: </label>622.33  / N78