Daffern, T. 1983. Avalanche safety for skiers and climbers. Alpenbooks, Seattle, WA.

Fredston, J.A., and D. Fesler. 1994. Snow sense: a guide to evaluating snow avalanche hazard. Alaska Mountain Safety Center,         Anchorage, AK.

Graydon, D., and K. Hanson, editors. 1997. Mountaineering: the freedom of the hills, sixth edition. The Mountaineers,
        Seattle, WA.

Perla, R.I., and M. Martinelli. 1976. Avalanche handbook. U.S. Department of Agriculture, Agriculture Handbook 489.

University of Colorado IBS (Institute of Behavioral Science). 1975. Snow avalanche hazard in the United States: a research                 assessment. Assessment of Research on Natural Hazards, Program on Technology, Environment, and Man, Monograph             NSF-RA-E-75-017.

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