Kerbes RH, Ogilvie MA, Boyd H. Pink-footed geese of Iceland and Greenland: a population review based on an aerial survey of pjrsrver in June, 1970. Wildfowl [Internet]. 1971 Jan. 1 [cited 2025 Dec. 18];(22):5-17. Available from: https://tidsskrift.dk/Wildfowl/article/view/155419