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Berlin: Borntraeger, 1914
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Berlin: Borntraeger, 1911
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Berlin: Borntraeger, 1932
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[Reston, Va]: U.S. Dept. of the Interior, U.S. Geological Survey, 2002
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[Reston, Va]: U.S. Dept. of the Interior, U.S. Geological Survey, 2002
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Ottawa: Geological Survey of Canada, 1978
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Hannover: $nBundesanstalt für Geowissenschaften und Rohstoffe, 2013
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[Dar es Salaam]: Ministry of Energy and Minerals, 2008 ; [Hannover]: Federal Institute for Geosciences and Natural Resources, BGR, 2008
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Moskva: Izdatel'stvo "Nauka", 1978
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Vienna: IAEA, 2020