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Доклады на научных конференциях
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- 2011 The Ruddy Shelduck (Tadorna ferruginea) in the Middle and north of the Lower Volga region: population dynamics and changes in distribution in the 19th and 20th centuries
- Авторы: Zavyalov E.V., Поповкина А.Б., Бородин О.В.
- International Conference of the Waterfowl of Northern Eurasia “Waterfowl of Northern Eurasia: Geography, dynamics and population management”, Elista, Kalmykia, Russia, Россия, 2011