HENRIKSSON, K.; KARPPANEN, E.; HELMINEN, M. High residue of mercury in Finnish white-tailed eagles. Ornis Fennica, [S. l.], v. 43, n. 2, p. 38–45, 1966. Disponível em: https://ornisfennica.journal.fi/article/view/132715. Acesso em: 16 may. 2024.