Granit, O. “Versuch Zur Quantitative Untersuchung- Der Vogelfauna Einer Fjeldgegend in Nordfinnland”. Ornis Fennica 15, no. 2–3 (September 30, 1938): 53–65. Accessed January 3, 2026. https://ornisfennica.journal.fi/article/view/132381.