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  1. By: Sterling, P H
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 100
    Date: 1988
    Page Range: 203--204
    Publication Info: [London s.n
  2. By: Sterling, P H
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 99
    Date: 1987
    Page Range: 275--276
    Publication Info: [London s.n
  3. By: Godfray, H. C. J., - Sterling, P H
    Type: Article
    In: British journal of entomology and natural history
    Volume: 6
    Date: 1993
    Page Range: 141--143
    Publication Info: [London] British Entomological and Natural History Society 1988-
  4. By: Sterling, P H
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 96
    Date: 1984
    Page Range: 54--55
    Publication Info: [London s.n