Brown coal its mining and utilization.
Development in coal mining vyp. 2
Coal mining.
Petrologic study of some brown coals of Chukotka and comparison with the coals of the North Bohemian Brown Coal Basin /
The Coal situation in Europe in 1962/1963 and future prospects.
Brown coal and lignite deposits in Czechoslovakia /
Coal mining. II.
Coal mining. III.
Development and prospect of industry in Korea.
Katalog 2000 upgrade
Movements of energy in Europe and their prospects.
Labyrint upgrade : jinotajný román (nejen) pro děti /
Technology diffusion in the coal-mining industry of the USSR : an interim assessment /
Coal AGE : devoted to coal mining and coke manufacture.
John Brown /
Brown eyes /
Annual bulletin of coal statistics for Europe. vol. 19/1984
Annual bulletin of coal statistics for Europe. vol. 16/1981
Annual bulletin of coal statistics for Europe. vol. 17/1982