TY - RPRT TI - U.S. Geological Survey seismic engineering data report, 1974-75 records; strong-motion earthquake accelerograms digitization and analysis AU - A. G. Brady AU - V. Perez PY - 1979 DO - 10.3133/ofr79929 UR - https://pubs.usgs.gov/publication/ofr79929 ID - ofr79929 ER -