LEHTONEN, Pekka; LAPPALAINEN, Jyrki. Individual variation in song of Black-throated Divers (Gavia arctica). Ornis Fennica, [S. l.], v. 99, n. 1, p. 15–25, 2022. DOI: 10.51812/of.117869. Disponível em: https://ornisfennica.journal.fi/article/view/117869. Acesso em: 23 nov. 2025.