References
- Abel, G., 1953: Temperature and ice formations in the caves of Salzburg, Austria. First International Congress of Speleology, Paris, 321–324.
- Brown, M. C. and Marshall, P. 1973: Ice in Coulthard Cave. Proceedings of the International Speological Congress, Abstracts, 6: 17.
- Brown, R. J. E., 1960: The distribution of permafrost and its relation to air temperature in Canada and the U.S.S.R. Arctic, 13: 163–177.
- Casteret, N., 1954: Darkness Under the Earth. Dent, London. 168 pp.
- Halliday, W. R., 1970: Introduction. In: Balch, E.S. (1900), Glacières, or Freezing Caverns. Johnson Reprint Corporation, New York, v–xxxiii.
- Marshall, P. and Brown, M. C., 1974: Ice in Coulthard Cave, Alberta. Can. J. Ear. Sci., 11: 510–518.
- Muller, S. W., 1945: Permafrost or permanently frozen ground and related engineering problems. U.S. Army Strategic Engineering Study, 62. 231 pp.
- Sutherland-Brown, A., 1969: Aiyansh lava flow, British Columbia. Can. J. Earth Sci., 6: 1460–1468.
- Trombe, F., 1952: Traite de Speleologie. Payot, Paris, 135–138.