TY  - BOOK
ED  - London. National Coal Board
TI  - Coal industry of the USSR, pt 1 & 2
U1  - 622.33 
CY  - London
PB  - Author
KW  - Coal
KW  - Coal industry
KW  - Mining carbonaceous minerals
N1  - Report by the Technical Mission of the National Coal Board; Content: Appendix 1(1957)-6(1958)
ER  -