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  1. By: Alexander, B A - Michener, C D - Gardner, A L
    Type: Article
    In: The Bulletin of zoological nomenclature.
    Volume: 55
    Date: 1998
    Page Range: 24--28
    Publication info: London,International Trust for Zoological Nomenclature.
  2. By: Alexander, B A
    Type: Article
    In: Journal of Hymenoptera research.
    Volume: 1
    Date: 1992
    Page Range: 25--61
    Publication info: Washington, D.C. :International Society of Hymenopterists,[1992-