TY  - BOOK
AU  - Grenfell, D.R. .
TI  - Coal
U1  - 338.2 
PY  - 1947///
CY  - London
PB  - Victor Gollancz Ltd.
KW  - Economics
KW  - T/G-Economics
KW  - Industrial Economics
KW  - Coal
KW  - Natural Resources
ER  -