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Christiania: Dybwad in Komm., 1908
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Christiania: Dybwad i komm., 1902
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Christiania: Dybwad, 1888
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Kristiania: Dybwad, 1884
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Christiania: Dybwad, 1886
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Christiania: Aschehoug, 1897
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American Astronomical Society, 2020
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AIP Publishing, 2019
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JMIR Publications Inc., 2020
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American Chemical Society (ACS), 2019
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Springer Berlin Heidelberg, 2006