TY  - BOOK
ED  - Great Britain.
TI  - Final report of the National Committee on Steep Seam Working in British Coal Mines
SN  - 0118820109 (sd)
PY  - 1978///
CY  - London
PB  - H.M.S.O.
KW  - Coal mines and mining
KW  - Great Britain
KW  - Safety measures
ER  -