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  1. By: Doyle, P - Riegraf, W
    Type: Article
    In: The Bulletin of zoological nomenclature
    Volume: 43
    Date: 1986
    Page Range: 355--359
    Publication Info: London International Trust for Zoological Nomenclature
  2. By: Donovan, D. T. (Desmond Thomas) - Riegraf, W - Nixon, Marion - Engeser, Theodor
    Type: Article
    In: The Bulletin of zoological nomenclature
    Volume: 52
    Date: 1995
    Page Range: 65--67
    Publication Info: London International Trust for Zoological Nomenclature
  3. By: Riegraf, W
    Type: Article
    In: The Bulletin of zoological nomenclature
    Volume: 54
    Date: 1997
    Page Range: 184--184
    Publication Info: London International Trust for Zoological Nomenclature