NORDERHAUG, M; OGILVIE, M A; TAYLOR, R J F. Breeding success of geese in west Spitsbergen, 1964. Wildfowl, [S. l.], p. 5, 1964. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/155139. Acesso em: 18 dec. 2025.