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By: Kettlewell, Bernard - Gibson, CType: ArticleIn: The entomologist's record and journal of variationVolume: 85Series:Issue:Date: 1973Page Range: 240--240Publication Info: [London s.nSubjects:
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By: Gibson, CType: ArticleIn: The entomologist's record and journal of variationVolume: 102Series:Issue:Date: 1990Page Range: 85--86Publication Info: [London s.nSubjects: