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Socio-economic structures : a basic model for their identification , illustrated for West Germany and Illinois
Wiek, Klaus D. - 1971
Persistent link: https://www.econbiz.de/10000556842
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The Mining Industries, 1899 - 1939 : a study of Output, Employment and Productivity
Barger, Harold; Schurr, Sam H. - 1944
Persistent link: https://www.econbiz.de/10000396949
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Scale and productivity in surface coal mining
Boyd, Gale A. - 1985
Persistent link: https://www.econbiz.de/10000700631
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Productivity, safety, and regulation in coal mining : evidence from disasters and fatalities
Gowrisankaran, Gautam; He, Charles; Lutz, Eric A.; … - 2015
Persistent link: https://www.econbiz.de/10011280787
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Major factors affecting the production, trade, and environmental impact of coal
Thurber, Mark C.; Morse, Richard K. - In: The global coal market : supplying the major fuel for …, (pp. 585-607). 2015
Persistent link: https://www.econbiz.de/10011374522
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Research and progress in the production and use of coal
Fieldner, A. C.; Rice, W. E. - 1941
Persistent link: https://www.econbiz.de/10002161782
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Source of productivity decline in U.S. coal mining 1972-1977
Kruvant, William J.; Moody jr., Carlisle E.; Valentine, … - In: The energy journal 3 (1982) 3, pp. 53-70
Persistent link: https://www.econbiz.de/10002256259
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Geology of the Ketewaka-Mchuchuma Coalfield, Njombe District
McKinlay, A. C. M. - 1954
Persistent link: https://www.econbiz.de/10002257904
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Measuring productivity in coal mining : a case study of multiple input measurement at the county level in Pennsylvania, 1919-1948
James, Charles Mason - 1952
Persistent link: https://www.econbiz.de/10002994957
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Coal mining
Sito, Stanley - In: The improvement of productivity : myths and realities, (pp. 55-89). 1980
Persistent link: https://www.econbiz.de/10002867628