1. Earthquakes in Northern Europe 1375–1989;Ahjos;Tectonophysics,1992
2. Theory of the Earth;Anderson,1989
3. Europe's lithosphere - seismic structure;Ansorge,1992
4. Geothermic investigations;Arshavskaya,1984
5. The tectonic setting of basaltic magmatism in the Kongsberg, Bamble and Telemark sectors, southern Norway;Atkin,1990