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  1. By: Kettlewell, Bernard - Gibson, C
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 85
    Date: 1973
    Page Range: 240--240
    Publication Info: [London s.n
  2. By: Kettlewell, Bernard
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 91
    Date: 1979
    Page Range: 221--222
    Publication Info: [London s.n
  3. By: Kettlewell, Bernard
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 90
    Date: 1978
    Page Range: 53--53
    Publication Info: [London s.n
  4. By: Kettlewell, Bernard
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 85
    Date: 1973
    Page Range: 233--233
    Publication Info: [London s.n
  5. By: Kettlewell, Bernard
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 43
    Series: new
    Date: 1931
    Page Range: 62--64
    Publication Info: [London s.n
  6. By: Kettlewell, Bernard
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 88
    Date: 1976
    Page Range: 285--285
    Publication Info: [London s.n
  7. By: Kettlewell, Bernard
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 55
    Series: new
    Date: 1943
    Page Range: 45--48
    Publication Info: [London s.n