ASKEYEV, Arthur; ASKEYEV, Oleg; ASKEYEV, Igor. Owls as bioindicators: their spatial and temporal aspects in Eastern Europe. European Journal of Ecology, [S. l.], v. 5, n. 2, p. 8–15, 2019. DOI: 10.2478/eje-2019-0015. Disponível em: https://journals.ku.edu/EuroJEcol/article/view/13407. Acesso em: 30 mar. 2025.