TY  - RPRT
TI  - The first 20 years of CALNET, the Northern California seismic network
AU  - D. H. Oppenheimer
AU  - Fred W. Klein
AU  - Jerry P. Eaton
PY  - 1992
DO  - 10.3133/ofr92209
UR  - https://pubs.usgs.gov/publication/ofr92209
ID  - ofr92209
ER  -