PULLIAINEN, E. Mid-winter feeding activity of Siberian Tits Parus cinctus and a Great Tit Parus major at a feeding site north of the Arctic Circle. Ornis Fennica, [S. l.], v. 57, n. 2, p. 90–92, 1980. Disponível em: https://ornisfennica.journal.fi/article/view/133040. Acesso em: 26 nov. 2024.