TY  - BOOK
TI  - 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 / 
SN  - 008026783
U1  - 662.6622 23
PY  - 1980///.
CY  - London : 
PB  - Pergamon, 
KW  - Assessment.
KW  - Comparative.
KW  - Coal.
ER  -