Joensen, Anders Holm, and Niels Otto Preuss. “Report on the Ornithological Expedition in Northwest Greenland 1965”. Meddelelser om Grønland 191, no. 5 (June 28, 1972): 64 pp. Accessed December 28, 2025. https://tidsskrift.dk/meddrgroenland/article/view/150083.