O €™HALLORAN, John; MYERS, Alan A; DUGGAN, P F. Lead poisoning in Mute Swans Cygnus olor in Ireland: a review. Wildfowl, [S. l.], p. 389–395, 2013. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154944. Acesso em: 17 dec. 2025.