TY  - BOOK
AU  - Halse, George W.
TI  - Oils and retortable materials
U1  - 665.4 
PY  - 1927///
CY  - London
PB  - Charles Griffin and Company
KW  - Coal Utilization
KW  - Torbanite Processing
KW  - Cannel Coal
KW  - Retortable Materials
KW  - Fossil Fuels
N1  - Includes index
ER  -