Orange-crowned Warbler Cap Grades: A Methodology Supplement to Measuring.
| Autor: | Gilbert, William M. wmglbrt@comcast.net, West, George C.1 kbaybird@aol.com |
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| Zdroj: | North American Bird Bander. Apr-Jun2013, Vol. 38 Issue 2, p55-68. 14p. |
| Databáze: | Academic Search Ultimate |
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