HONGEL, H.; SAARI, L. A mixed pair of Collared Streptopelia decaocto and Turtle Doves S. turtur in Kokkola, W Finland, in 1978–79. Ornis Fennica, [S. l.], v. 60, n. 2, p. 61–62, 1983. Disponível em: https://ornisfennica.journal.fi/article/view/133126. Acesso em: 17 maj. 2024.