By Ammann Walter J.   in GAIA - Ecological Perspectives for Science and Society

ISSN:0940-5550|12|4|304-305

oekom verlag‎(2003)‎

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By Bourgund Ulrich   Ammann Walter J.   in Structural Engineering International

ISSN:1683-0350|2|3|180-185

International Association for Bridge and Structural Engineering‎(1992)‎

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By Margreth Stefan   Ammann Walter J.   in Annals of Glaciology

ISSN:1727-5644|38|1|89-96

International Glaciological Society‎(2004)‎

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By Scapozza Carlo   Bucher Felix   Amann Peter   Ammann Walter J.   Bartelt Perry   in Annals of Glaciology

ISSN:1727-5644|38|1|291-298

International Glaciological Society‎(2004)‎

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