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Die Aufbereitung der Steinkohle im rumänischen Schiltal
Frigura, Victor - In: Glückauf : die Fachzeitschrift für Rohstoff, Bergbau … 104 (1968) 26, pp. 1210-1222
Persistent link: https://www.econbiz.de/10002174029
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Ėkonomika ugolʹnoj promyšlennosti : spravočnoe posobie
Micheev, Grigorij Fedorovič - 1957
Persistent link: https://www.econbiz.de/10002492128
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Mineable coal reserves of Missouri
Robertson, Charles E. - 1973
Persistent link: https://www.econbiz.de/10002700846
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Productivity of underground coal workings
1965
Persistent link: https://www.econbiz.de/10001643247
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Mechanizacija proizvodstva i proizvoditel'nost' truda v ugol'noj promyšlennosti SSSR
Bakulev, G. D. - In: Voprosy ėkonomiki, planirovanija i statistiki : …, (pp. 134-145). 1957
Persistent link: https://www.econbiz.de/10001859472
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Coal
Court, W. H. B. - 1951
Persistent link: https://www.econbiz.de/10001569925
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Ekonomika, organizacija proizvodstva i planirovanie v ugol'noj promyšlennosti
Smirnov, Aleksandr A. - 1959
Persistent link: https://www.econbiz.de/10014414628
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Ekonomika, organizacija, proizvodstva i planirovanie v ugol'noj promyšlennosti SSSR
Micheev, G. F. - 1957
Persistent link: https://www.econbiz.de/10014416929