TY  - BOOK
AU  - Swann, Philip D.
AU  - Davies, Clive
TI  - Extraction of useful chemical derivatives from coal
SN  - 8422-7263-1
PY  - 1976///
CY  - New York: 
PB  - MSS Information Corporation, 
KW  - Chemical technology
KW  - Coal
ER  -