Bragina, E. V., A. R. Ives, L. Balčiauskas, S. Csányi, P, Khoyetskyy, K. Kysucká, J. Lieskovský, J. Ozolins, T. Randveer, P, Štych, A. Volokh, C. Zhelev, E. Ziółkowska, A. M. Pidgeon, and V. C. Radeloff. 2018. Wildlife population changes across Eastern Europe after the collapse of socialism. Frontiers in Ecology and the Environment, 16(2): 77-81