1. Stability of Rock Slopes in Norway;Bjerrum,1968
2. Forprosjekt fjellskred i Troms — status: 2005;Blikra,2006
3. Faren for fjellskred fra Nordnesfjellet i Lyngenfjorden, Troms (in Norwegian);Blikra,2009
4. Gravitational-slope failures in Troms: indications of palaeoseismic activity?;Blikra,2000
5. Modelling rock avalanches and their relation to permafrost degradation in glacial environments;Bottino;Permafr. Periglac. Process.,2002