Não informado. (1928). Contributions from the Museum of Paleontology. University of Michigan, Museum of Paleontology.
Cita Chicago Style (17a ed.)Não informado. Contributions from the Museum of Paleontology. Ann Arbor, Mich: University of Michigan, Museum of Paleontology, 1928.
Cita MLA (8a ed.)Não informado. Contributions from the Museum of Paleontology. University of Michigan, Museum of Paleontology, 1928.
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