Não informado. (2009). Proceedings of the Denver Museum of Natural History. Museum of Natural History.
Chicago-referens (17:e uppl.)Não informado. Proceedings of the Denver Museum of Natural History. Denver, Colo: Museum of Natural History, 2009.
MLA-referens (8:e uppl.)Não informado. Proceedings of the Denver Museum of Natural History. Museum of Natural History, 2009.
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