1. Weichselian before 15,000 years B.P. at Jaeren-Karmøy in southwestern Norway;Andersen;Boreas,1981
2. Evidence of sub-till sediments from a Weichselian interstadial in the Gudbrandsdalen valley, central east Norway;Bergersen;Nor. Geogr. Tidsskr.,1971
3. Weichselian in central south Norway: The Gudbrandsdal Interstadial and the following glaciation;Bergersen;Boreas,1981
4. A paleoecological study of the Late-Glacial lake at Torreberga, Scania, South Sweden;Berglund;Oikos,1970
5. Blystad , P. 1978 Kvartaergeologiske undersøkelser i området Bykle-Hovden, Øvre SetesdalIsbevegelser, stratigrafi og sedimenter Thesis