From Field and Study
Autor: | Williams, Ralph B., Orr, Robert T., Breed, Allen E., Brackbill, Hervey, Baerg, W. J., Ripley, S. Dillon, Cardiff, Eugene E., del Toro, Miguel Alvarez, Arnold, John R. |
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Zdroj: | The Condor, 1950 Jul 01. 52(4), 164-166. |
Databáze: | JSTOR Journals |
Externí odkaz: |