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By: Krivda, W VType: ArticleIn: The Canadian field-naturalistVolume: 73Series:Issue: 3Date: 1959Page Range: 177--177Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Krivda, W VType: ArticleIn: The Canadian field-naturalistVolume: 71Series:Issue: 2Date: 1957Page Range: 83--83Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Krivda, W VType: ArticleIn: The Canadian field-naturalistVolume: 73Series:Issue: 2Date: 1959Page Range: 129--129Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Krivda, W VType: ArticleIn: Entomological newsVolume: 83Series:Issue:Date: 1972Page Range: 103--104Publication Info: [Philadelphia], American Entomological Society, 1925-Subjects:
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By: Krivda, W VType: ArticleIn: The Canadian field-naturalistVolume: 76Series:Issue: 3Date: 1962Page Range: 181--182Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: