JÄRVI, E.; MARJAKANGAS, A. Observations on winter resting sites of the Yellowhammer Emberiza citrinella. Ornis Fennica, [S. l.], v. 62, n. 4, p. 171, 1985. Disponível em: https://ornisfennica.journal.fi/article/view/133196. Acesso em: 23 nov. 2024.