Anderson, D. M. and N. R. Morgenstern, 1973. Physics chemistry and mechanics of frozen ground: A review. In: Permafrost, North American Contribution, Second International Conference, National Academy of Sciences, Washington. D. C., pp. 257-288.
[6]
Paterson.W S. B. The Physics of Glamer(2nd ed). pp.30-41. Pergamon Press, 1981
