MICHALAK, P. Inter-habitat morphometric differentiation of male Willow Warblers Phylloscopus trochilus. Ornis Fennica, [S. l.], v. 72, n. 3, p. 138–139, 1995. Disponível em: https://ornisfennica.journal.fi/article/view/133425. Acesso em: 22 nov. 2024.