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  1. By: Petuch, Edward J - Myers, Robert F., - Berschauer, David P.,
    Publication info: Encinitas, Calif, San Diego Shell Club, 2015
    Holding Institution: Smithsonian Libraries and Archives
  1. By: Petuch, Edward J
    Type: Article
    In: Nemouria; occasional papers of the Delaware Museum of Natural History
    Volume: 23
    Date: 1979-12-30
    Page Range: 1--21
    Publication Info: [Greenville], Delaware Museum of Natural History,