FORSTEN, A.; POHJOLAINEN, L. First occurrence of Pallas’ Sea Eagle (Haliaeetus leucoryphus) in Finland. Ornis Fennica, [S. l.], v. 46, n. 4, p. 193–195, 1969. Disponível em: https://ornisfennica.journal.fi/article/view/132778. Acesso em: 18 may. 2024.