KERBES, R H; OGILVIE, M A; BOYD, H. Pink-footed geese of Iceland and Greenland: a population review based on an aerial survey of pjrsrver in June, 1970. Wildfowl, [S. l.], n. 22, p. 5–17, 1971. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/155419. Acesso em: 18 dec. 2025.