TY  - BOOK
AU  - National coal board.
ED  - National coal board.
TI  - "Report and Accounts 28th March, 1971-25th March, 1972"
U1  - "X9(FSSI):8F.56124 N72 - N71r, L2.1-2" 
PY  - 1972///
CY  - London
PB  - Her Majesty's Stationery office    
ER  -