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Mineral facts and problems
USA / Bureau of Mines - 1956-1985: Washington, DC : US Gov. Print. Off. - Ed. 1.1956 - 7.1985[?]
Persistent link: https://www.econbiz.de/10000481278
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Rohstoffwirtschaft im Prozess der Transformation
Slaby, Dieter (ed.); Brezinski, Horst (contributor) - 1999 - 1. Aufl.
Persistent link: https://www.econbiz.de/10001429349
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Mineral commodity summaries
United States Geological Survey; USA / Bureau of Mines - Reston, Va. : [Verlag nicht ermittelbar] - Nachgewiesen 1996 -
Persistent link: https://www.econbiz.de/10001704927