LEADER 00000nas 2200265 a 4500 001 0750776 003 UkHlHU 007 t 008 003101 4 1979 p 0 eng 040 UkHlHU 050 4 |fq|aHD 9551.2 N285 110 1 Great Britain.|bNational Coal Board.|bCoal Research Establishment. 245 00 Annual report/ National Coal Board. Coal Research Establishment. 260 Cheltenham :|bCoal Research Establishment,|c1979- 500 Continued as: British Coal. Coal Research Establishment. 'Annual report', q.v. 650 0 Coal mines and mining|zGreat Britain. 866 0 Library has: 1978/79-1984/85.
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