From Field and Study
| Autor: | Braly, J. C., Abbott, Clinton G., Potter, Laurence B., Howard, Hildegarde, Willett, G., Miller, Loye, Miller, Alden H., Fraser,, J. Thomas, Storer, Tracy I., Wetmore, Alexander, van Rossem, A. J., Huey, Laurence M., Grinnell, J., Dixon, Joseph |
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| Zdroj: | The Condor, 1931 Jan 01. 33(1), 29-38. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
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