TY  - RPRT
TI  - Occurrence patterns of foreshocks to large earthquakes in the western United States
AU  - R.E. Abercrombie
AU  - J. Mori
PY  - 1996
DO  - 10.1038/381303a0
UR  - https://pubs.usgs.gov/publication/70019059
ID  - 70019059
ER  -