MITCHELL, Carl; BLACK, Jeffrey M; OWEN, Myrfyn; WEST, John. On renesting in semi-captive Barnacle Geese. Wildfowl, [S. l.], p. 133–136, 1988. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154727. Acesso em: 17 dec. 2025.