Банік, М.В., Височин, М.О., Атемасов, А.А., Атемасова, Т.А. and Дев’ятко, Т.М. 2014. An annotated check-list of the birds of Dvourechansky national park. The Journal of V.N.Karazin Kharkiv National University. Series «Biology». 19, 1097 (Oct. 2014), 46-55.