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By: Ringdahl, OType: ArticleIn: Entomologisk tidskriftVolume: 43Series:Issue:Date: 1922Page Range: 176--177Publication Info: Stockholm Jacob Spångberg 1880-Subjects:
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By: Ringdahl, OType: ArticleIn: Entomologisk tidskriftVolume: 39Series:Issue:Date: 1918Page Range: 148--194Publication Info: Stockholm Jacob Spångberg 1880-Subjects:
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By: Ringdahl, OType: ArticleIn: Entomologisk tidskriftVolume: 41Series:Issue:Date: 1920Page Range: 24--40Publication Info: Stockholm Jacob Spångberg 1880-Subjects: