TY  - RPRT
TI  - Strong-motion recordings from the ML=5.5 Upland, California earthquake of February 28, 1990
AU  - E. C. Etheredge
AU  - A.V. Acosta
AU  - L.J. Foote
AU  - D.A. Johnson
AU  - R.P. Maley
AU  - R. L. Porcella
AU  - J.C. Switzer
PY  - 1990
DO  - 10.3133/ofr90311
UR  - https://pubs.usgs.gov/publication/ofr90311
ID  - ofr90311
ER  -