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  1. By: Hemmer, H
    Type: Article
    In: Spixiana
    Volume: 1
    Date: 1978
    Page Range: 309--320
    Publication Info: Mchen, Zoologische Staatssammlung Mchen,
  2. By: Hemmer, H
    Type: Article
    In: The Bulletin of zoological nomenclature
    Volume: 24
    Date: 1967
    Page Range: 259--261
    Publication Info: London International Trust for Zoological Nomenclature