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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Perceval, M J
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 96
    Date: 1984
    Page Range: 127--128
    Publication Info: [London s.n
  2. By: Perceval, M J
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 89
    Date: 1977
    Page Range: 158--159
    Publication Info: [London s.n
  3. By: Perceval, M J
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 86
    Date: 1974
    Page Range: 225--234
    Publication Info: [London s.n
  4. By: Perceval, M J
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 84
    Date: 1972
    Page Range: 215--219
    Publication Info: [London s.n
  5. By: Perceval, M J
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 89
    Date: 1977
    Page Range: 19--20
    Publication Info: [London s.n
  6. By: Perceval, M J
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 86
    Date: 1974
    Page Range: 245--245
    Publication Info: [London s.n
  7. By: Perceval, M J
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 86
    Date: 1974
    Page Range: 81--84
    Publication Info: [London s.n
  8. By: Perceval, M J
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 86
    Date: 1974
    Page Range: 60--60
    Publication Info: [London s.n
  9. By: Perceval, M J
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 88
    Date: 1976
    Page Range: 324--329
    Publication Info: [London s.n
  10. By: Perceval, M J
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 88
    Date: 1976
    Page Range: 241--245
    Publication Info: [London s.n