1. THE ANALYSIS OF FROST-HEAVE DATA COLLECTED BY B. H. J. HAYWOOD FROM SCHEFFERVILLE, LABRADOR-UNGAVA
2. Bac , S . 1952.Soil Movements Caused by Action of Frost, 66: 135–187. Biul:Panstw. Instyt. Geol. Warszawa. [In Polish with English summary.]
3. Czeppe , Z . 1961.Annual Course of Frost Ground Movements at Hornsund, Spitsbergen25: 1957–1958.Zesz. Nauk. Uniwer. Jagiellonskiego, Krakow, Prace Inst. Geogr, [In Polish with English summary.]
4. The premelting of ice and its environmental consequences