TY  - BOOK
ED  - World Coal Study
TI  - Report of the World Coal Study (WOCOL): an international project, directed by C.L.Wilson
U1  - 338.272 
PY  - 1980///
CY  - Cambridge
PB  - Ballinger Publishers
KW  - Coal
KW  - Production economics
N1  - v.1 : Coal-bridge to the future
ER  -