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Berlin: Borntraeger, 1914
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Berlin: Borntraeger, 1911
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München: Verlag Dr. Friedrich Pfeil, 2019
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Hannover: BGR, 2014
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Espoo: Geological Survey of Finland, october 31, 2023
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Hannover: BGR, 05.04.2022
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Espoo: Geological Survey of Finland, 4.12.2020
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Reston: U.S. Geological Survey, 2023
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[Ottawa]: Government of Canada, 2022
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Reston, Va: U.S. Geological Survey, 2019
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Reston, Va: U.S. Geological Survey, 2019
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Santiago de Chile: Deutsch-Chilenische Industrie- und Handelskammer, Oktober 2014
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Berlin: DERA, 25.11.2021
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Hannover: BGR, 01.10.2020
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Springer Science and Business Media LLC, 2021