Unsworth, John F. <br/><br/>
Coal quality and combustion performance :  an international perspective / 
John F. Unsworth, David J. Barratt and Peter T. Roberts 
 - Amsterdam :  Elsevier North-Holland,  1991 
 - 638 p. :  ill. ;  26 cm. 
 - Coal science and technology  v.19 .
<br/><br/><label>ISBN: </label>0444887032 
<br/><br/><label>LCCN: </label>91-033978 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal--Analysis<br/>Combustion