LAMPILA, P.; MÖNKKÖNEN, M.; RAJASÄRKKÄ, A. The ability of forest reserves to maintain original fauna – why has the Chiffchaff (Phylloscopus collybita abietinus) disappeared from eastern central Finland? . Ornis Fennica, [S. l.], v. 86, n. 2, p. 71–80, 2009. Disponível em: https://ornisfennica.journal.fi/article/view/133723. Acesso em: 18 may. 2024.