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  1. By: Panchen, A L - Panchen, M N
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 85
    Date: 1973
    Page Range: 149--153
    Publication Info: [London s.n
  2. By: Panchen, A L - Panchen, M N
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 85
    Date: 1973
    Page Range: 198--202
    Publication Info: [London s.n