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By: Frey, Richard,Type: ArticleIn: Meddelanden af Societas pro Fauna et Flora FennicaVolume: 39Series:Issue:Date: 1913Page Range: 106--121Publication Info: Helsingfors, [Societas pro Fauna et Flora Fennica],Subjects:
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By: Frey, Richard,Type: ArticleIn: Revue suisse de zoologieVolume: 41Series:Issue:Date: 1934Page Range: 299--339Publication Info: Genève, Kundig [etc.],Subjects:
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By: Frey, Richard,Type: ArticleIn: Meddelanden af Societas pro Fauna et Flora FennicaVolume: 37Series:Issue:Date: 1911Page Range: 91--92Publication Info: Helsingfors, [Societas pro Fauna et Flora Fennica],Subjects:
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By: Frey, Richard,Type: ArticleIn: Meddelanden af Societas pro Fauna et Flora FennicaVolume: 43Series:Issue:Date: 1917Page Range: 84--97Publication Info: Helsingfors, [Societas pro Fauna et Flora Fennica],Subjects:
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By: Frey, Richard,Type: ArticleIn: Meddelanden af Societas pro Fauna et Flora FennicaVolume: 44Series:Issue:Date: 1918Page Range: 43--44Publication Info: Helsingfors, [Societas pro Fauna et Flora Fennica],Subjects:
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By: Frey, Richard,Type: ArticleIn: Öfversigt af Finska vetenskaps-societetens förhandlingarVolume: 60 ASeries:Issue:Date: 1919Page Range: 1--35Publication Info: [S.l, s.n.],Subjects: