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Reston, Va: U.S. Dept. of the Interior, U.S. Geological Survey, 2013
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Vancouver (British Columbia), 2013-01-08
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Espoo: Geological Survey of Finland, 30.9.2010
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Moskva: Izdatel'stvo "Nauka", 1978
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Oulu: Oulu University, 2018
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Ottawa: Natural Resources Canada, 1952
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Ottawa: Natural Resources Canada, 1944
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Almaty, 2018
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Berlin: DERA, 05.11.2018
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Moskva: Nedra, [1972]
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Berlin: DERA, 07.11.2018