THE REACTION OF THE GONADS TO LENGTHENING DAYS IN NORTHERN BIRDS, MIGRATING FAR BEYOND THE EQUATOR.
| Autor: | van Oordt, G. J. |
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| Zdroj: | Ostrich: The Journal of African Ornithology; Jan1959, Vol. 30 Issue sup1, p342-345, 4p |
| Databáze: | Complementary Index |
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