1. Occurrence patterns of foreshocks to large earthquakes in the western United States;Abercrombie;Nature,1996
2. Prediction probabilities from foreshocks;Agnew;J. Geoph. Res.,1991
3. Are foreshocks distinctive? Evidence from the 1966 Parkfield and the 1975 Oroville, California sequences;Bakun;Bull. Seismol. Soc. of Am.,1979
4. A test of foreshock occurrence in the Central Aleutian Island Arc;Bowman;Bull. Seismol. Soc. Am.,1984
5. Foreshock and aftershock sequences of the Cremasta earthquake and their relation to the waterloading of the Cremasta artificial lake;Comninakis;Annali di Geofisica,1968