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Avalanche Handbook
Ronald I. Perla
M. Martinelli
出版
U.S. Department of Agriculture, Forest Service
, 1976
URL
http://books.google.com.hk/books?id=vPiGDyxpO4oC&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN
註釋
Deals comprehensively and practically with effects, causes and behaviour of avalanches, protection of ski areas, highways and villages, and safety and rescue.
