1. Seismic risk and design response spectra;Vanmarcke,1972
2. Eartquake time-histories and response spectra;Scanlan,1974
3. Spectrum-compatible motions for design purposes;Tsai,1972
4. Development of real/synthetic time-histories to match smooth design spectra;Rizzo,1973
5. Seismic design spectra for nuclear power plants;Newmark,1973