1. Observation guidelines and recording standards for weather, snowpack and avalanches;CAA,2007
2. A computer-based system simulating snowpack structures as a tool for regional avalanche forecasting;Durand;J. Glaciol.,1999
3. The International Classification for Seasonal Snow on the Ground;Fierz,2009
4. The stability index and various triggering mechanisms;Föhn,1987
5. Estimating dry snow density from grain form and hand hardness;Geldsetzer,2001