Koivunen, P., E. S. Nyholm, and S. Sulkava. “Occurrence and Breeding of the Little Bunting Emberiza Pusilla in Kuusamo (NE Finland)”. Ornis Fennica 52, no. 3 (September 30, 1975): 85–96. Accessed July 9, 2025. https://ornisfennica.journal.fi/article/view/132887.