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  1. By: Spies, Martin - Fittkau, Ernst Josef - Spies, Friedrich Reiss
    Type: Article
    In: Spixiana
    Volume: 20
    Date: 1994
    Page Range: 61--98
    Publication Info: München, Zoologische Staatssammlung München,
  2. By: Spies, Martin
    Type: Article
    In: The Bulletin of zoological nomenclature
    Volume: 64
    Date: 2007
    Page Range: 45--53
    Publication Info: London International Trust for Zoological Nomenclature
  3. By: Spies, Martin - Reiss, Fredrich
    Type: Article
    In: Spixiana
    Volume: 22
    Date: 1996
    Page Range: 61--119
    Publication Info: München, Zoologische Staatssammlung München,
  4. By: Spies, Martin
    Type: Article
    In: The Bulletin of zoological nomenclature
    Volume: 63
    Date: 2006
    Page Range: 122--126
    Publication Info: London International Trust for Zoological Nomenclature