1. Determinazione preliminare dei parametri ipocentrali del periodo sismico del maggio 1984 (Valcomino Val di Sangro);Console,1984
2. Precursor to a magnitude 4.8 earthquake in the Virgin Islands: spatial clustering of small earthquakes, anomalous focal mechanism and earthquake doublets;Frankel;Bull. Seismol. Soc. Am.,1982
3. Aftershocks of the Coyote lake, California, earthquake of August 6, 1979: a detailed study;Reasenberg;J. Geophys. Res.,1982
4. Seismicity of southern Sweden;Slunga,1984
5. Characteristic frequencies for earthquake families and their tectonic implications: evidence from earthquake swarms in the Kanto district, Japan;Tsujiura;Pageoph,1983