GRANIT, O. Versuch zur quantitative Untersuchung- der Vogelfauna einer Fjeldgegend in Nordfinnland. Ornis Fennica, [S. l.], v. 15, n. 2–3, p. 53–65, 1938. Disponível em: https://ornisfennica.journal.fi/article/view/132381. Acesso em: 26 dec. 2024.