Branson, E. B., & Mehl, M. G. (1929). Triassic amphibians from the Rocky mountain region. The University of Missouri.
Lua i Stíl Chicago (17ú heag.)Branson, E. B., agus Maurice G. Mehl. Triassic Amphibians from the Rocky Mountain Region. Columbia: The University of Missouri, 1929.
Lua MLA (9ú heag.)Branson, E. B., agus Maurice G. Mehl. Triassic Amphibians from the Rocky Mountain Region. The University of Missouri, 1929.
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