LELOV, E. Breeding raptors and owls at Halinga, SW Estonia, in 1978–1989. Ornis Fennica, [S. l.], v. 68, n. 3, p. 119–122, 1991. Disponível em: https://ornisfennica.journal.fi/article/view/133324. Acesso em: 22 nov. 2024.