TY - BOOK AU - LaVelle, F.M. , AU - Spanos, P.D. , AU - Bergman, L.A. , ED - NCEER. TI - Seismic floor response spectra for a combined system by green`s functions U1 - 624.1762 LAV PY - 1988/// CY - Buffalo PB - NCEER KW - Civil engineering KW - NCEER-88-0011 KW - Floor response spectra KW - Linear secondary systems KW - Modal analysis KW - Response approximation KW - Seismic performance KW - Technical Report KW - National Center for Earthquake Engineering Research N1 - NCEER-88-0011 ER -