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Swiss Federal Institute WSL Zürcherstrasse 111 CH-8903 Birmensdorf Switzerland Phone: +41 1 739 2111 Fax: +41 1 739 2215 E-mail:
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Swiss Federal Institute for Snow and Avalanche Research Flüelastr. 11 CH-7260 Davos Dorf Switzerland Tel: +41 81 417 01 11 Fax: +41 81 417 01 10
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Perry Bartelt Albert Böll Jakob Rhyner Veronika Stöckli
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Department Snow and Avanlanches Department Water, Soil and Rock Movements Department Avalanche Warning and Risk Management Department Alpine Environment
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