1. Introduction to Seismology;Båth,1973
2. Earthquake magnitude—recent research and current trends;Båth;Earth-Sci. Rev.,1981
3. Nuclear Explosions and Earthquakes;Bolt,1976
4. Magnitude from Rayleigh waves: time domain analysis of the influence of source parameters and structure;Calcagnile;Riv. Ital. Geofis.,1973
5. Vertical and SV component of Sa;Calcagnile;Geophys. J.R. Astron. Soc.,1974