Three new land shells of the genus Oreohelix from Arizona
by William B. Marshall
Bok Engelsk 1930 William Blanchard Marshall
| Utgitt | Washington : Government Printing Office , 1930
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|---|---|
| Omfang | 3 s.
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| Opplysninger | "United States National Museum. Proceedings of the United States National Museum. Washington, Smithsonian Institution Press, 1930"
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