TY - BOOK ED - California Institute of Technology. Earthquake Engingeering Research Laboratory. TI - Analyses of strong motion earthquake accelerograms: volume IV - fourier amplitude spectra PY - 1972///-1974 CY - Pasadena, California PB - Earthquake Engineering Research Laboratory, California Institute of Technology KW - Accelerograms KW - Earth movements KW - Seismology N1 - Part of v.1 & 2 of "Strong motion earthquake accelerograms" ER -