Golubev, S. V. “Distribution and Status of the Pallas’s Gull Ichthyaetus Ichthyaetus (Pallas, 1773) in the Reservoirs of the Palearctic: Review”. Research in Ecology, vol. 5, no. 1, June 2023, pp. 23-34, doi:10.30564/re.v5i1.5691.