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3. Are foreshocks REYNERS 343 distinctive? Evidence from the 1966 Parkfield and the 1975 Oroville, California sequences;Bakun;Bull. Seismol. Soc. Amer.,1979
4. Constancy of P travel times from Nevada explosions to Oroville Dam station 1970-1976;Bolt;Bull. Seismol. Soc. Amer.,1977