LEHIKOINEN, E.; LAAKSONEN, M. Frequency of tail-moult in immature Finnish Greenfinches. Ornis Fennica, [S. l.], v. 54, n. 3, p. 133–134, 1977. Disponível em: https://ornisfennica.journal.fi/article/view/132943. Acesso em: 17 maj. 2024.