1. Relative excitation of surface waves by earthquakes and underground explosions in the California-Nevada region;Brune;J. Geophys. Res.,1963
2. Variation of source properties: the Inangahua, New Zealand, aftershocks of 1968;Gibowicz;Bull. Seismol. Soc. Am.,1975
3. Amplitudes of surface waves and magnitudes of shallow earthquakes;Gutenberg;Bull. Seismol. Soc. Am.,1945
4. Magnitude and energy of earthquakes;Gutenberg;Ann. Geofis.,1956
5. A local magnitude scale for New Zealand earthquakes;Haines;Bull. Seismol. Soc. Am.,1981