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Coal on the switchback : the coal industry since nationalisation
Berkovitch, Israel - 1977
Persistent link: https://www.econbiz.de/10000001220
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The use of coal in industry
Ezra, D. (ed.); Ezra, Derek (contributor) - 1982
Persistent link: https://www.econbiz.de/10000070152
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Coal and energy : the need to exploit the world's most abundant fossil fuel
Ezra, Derek - 1978 - 2. impr.
Persistent link: https://www.econbiz.de/10013491268
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Volks- und Energiewirtschaft : Gemeinschaftskohle 1976 ; die langfristige Kohlepolitik verlangt nach erneuter Bestätigung
Ezra, Derek - In: Glückauf : die Fachzeitschrift für Rohstoff, Bergbau … 113 (1977) 15, pp. 771-777
Persistent link: https://www.econbiz.de/10002165064
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Prospects for coal
Ezra, Derek - In: Report of proceedings / International Iron and Steel … 9 (1975), pp. 156-171
Persistent link: https://www.econbiz.de/10003544235
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Die Zukunftsaussichten der Kohle
Ezra, Derek - In: Bergbau und Rohstoffe : Schlüssel zum Fortschritt ; …, (pp. 1-15). 1976
Persistent link: https://www.econbiz.de/10003544237
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Coal and energy : the need to exploit the world's most abundant fossil fuel
Ezra, Derek - 1978
Persistent link: https://www.econbiz.de/10002164949