Mazurkevich, Andrey, et al. “Human and Birds: Avifauna at Hunter-Gatherer Sites of the 6th to 3rd Millennia BC (Western Dvina Lakeland)”. Documenta Praehistorica, vol. 50, Dec. 2023, pp. 238-53, https://doi.org/10.4312/dp.50.21.