TY  - RPRT
TI  - Search for seismic forerunners to earthquakes in central California
AU  - R. L. Wesson
AU  - R. Robinson
AU  - C. G. Bufe
AU  - W.L. Ellsworth
AU  - J. H. Pfluke
AU  - J.A. Steppe
AU  - L. C. Seekins
PY  - 1977
DO  - 10.1016/0040-1951(77)90163-9
UR  - https://pubs.usgs.gov/publication/70009875
ID  - 70009875
ER  -