Prommer, M., Y. Milobog, M. Gavrilyuk, and V. Vetrov. “Juvenile Dispersal of Saker Falcons in Ukraine According Satellite Telemetry”. Cherkasy University Bulletin: Biological Sciences Series, vol. 329, no. 36, Jan. 2016, https://bio-ejournal.cdu.edu.ua/article/view/193.