1. Paleomagnetic study of Scanian dolerites and basalts;Bylund,1973
2. Palaeomagnetism of dykes along the southern margin of the Baltic Shield;Bylund;Geol. Fören. Stockh. Förh.,1974
3. Studies on the igneous rock complex of the Oslo region, Norway. Palaeomagnetic analysis of Permian extrusives in the Oslo region, Norway;van Everdingen;Mat. Naturvitenskap. Kl.,1960
4. Age of the Fen Carbonatite (Norway) and its relation to the intrusions of the Oslo region;Faul;Geochim. et Cosmochim. Acta,1959
5. The Carboniferous period;Francis,1964