JÄRVINEN, A. A successful mixed breeding between Parus cinctus and Parus montanus in Finnish Lapland. Ornis Fennica, [S. l.], v. 64, n. 4, p. 158–159, 1987. Disponível em: https://ornisfennica.journal.fi/article/view/133248. Acesso em: 22 nov. 2024.