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2. Ahlmann, H.W. son, 1935. The stratification of the snow and firn on Isachsen's Plateau, scientific results of the Norwegian and Swedish Spitzbergen Expedition, 1934.
3. Sorge's law of densification of snow on high polar glaciers;Bader;USA SIPRE Research Paper,1953
4. United States polar ice and snow studies in the International Geophysical Year, in Geophysics and the IGY;Bader,1958
5. Scope, problems, and potential value of deep core drilling in ice sheets;Bader;USA CRREL Special Report,1962