Studies on the food of the east Greenland ptarmigan, especially in its relation to vegetation and snow-cover - Gelting, Paul Emil Elliot, 1905- [from old catalog]; Treaarsekspeditionen til Christian X's land (1931-1934) (København : I kommission hos C. A. Reitzels forlag, 1937)
Includes Bibliography.
Keywords: Ptarmigans -- Food -- Greenland