SORJONEN, J. Seasonal and diel patterns in the song of the Thrush Nightingale Luscinia luscinia in SE Finland. Ornis Fennica, [S. l.], v. 54, n. 3, p. 101–107, 1977. Disponível em: https://ornisfennica.journal.fi/article/view/132938. Acesso em: 23 nov. 2024.