Oils and gases from coal :   a review of the state-of-the-art in Europe and North America based on the work of the Symposium on the Gasification and Liquefaction of Coal, Katowice, Poland, 23-27 Apr. 1979 /  
United nations.  
 - London :   Pergamon,   c1980.  
 - vii, 305 p. ;   25 cm.  
<br/><br/><label>ISBN: </label>008026783 780080256788 
<br/><br/><label>Subjects--Index Terms: </label>Assessment.  Comparative.  Coal.  
<br/><br/><label>Dewey Class. No.: </label>662.6622  / OIL