GELTING, Paul. Studies on the food of the East Greenland ptarmigan especially in in its relation to vegetation and snow cover. Meddelelser om Grønland, [S. l.], v. 116, n. 3, p. 111 pp., 1 plate, 2026. Disponível em: https://tidsskrift.dk/meddrgroenland/article/view/168728. Acesso em: 1 jul. 2026.