1. Baltian kilven maanjäristysten makroseismiset parametrit;Ahjos,1981
2. Seismicity of Fennoscandia and related problems;Båth;Gerlands Beitr. Geophys.,1953
3. Introduktion till seismologin;Båth,1970
4. Statistics of Extremes;Gumbel,1958
5. Earthquake magnitude, intensity, energy, and acceleration;Gutenberg;Bull. Seismol. Soc. Am.,1942