1. A Glacial Cirque Form in Central Sweden?
2. Ahlmann, H. W:son, 1976: Norden i text och kartor. Particularly the chapter: Landytans terrängformer (by S. Rudberg). Stockholm. 116 p.
3. Atlas över Sverige (National Atlas of Sweden), especially sheet 1–2: Land Relief (M. Lundqvist), sheet 3–4: Relative Relief of Land Surface (M. Lundqvist and N.H. Magnusson), sheet 19–20: Glaciations and changes of level in Quaternary age (E. Fromm), sheet 21–22: Glacial striae, terminal moraines and lines of ice recession (G. Lundqvist), sheet 23–24: Highest shore-lines of the sea and ice dammed lakes in late Quaternary age (G. Lundqvist and E. Nilsson), sheet 29–30: Precipitation (C.C. Wallén) and sheet 31–32: Snow, Hail, Thunder-storm. Annual precipitation and temperature (C.J. Östman, C.C. Wallén, A. Ångström).
4. Temperature Observations in Bergschrunds and Their Relationship to Cirque Erosion