TY - BOOK AU - Hisada, Toshihiko AU - Nakagawa, Kyoji, coaut.Izumi, Masanori, coaut. ED - Building Research Institute (JapĆ³n) TI - Normalized acceleration spectra for earthquakes recorded by- strong motion accelerographs and their characteristics rel-ated with sub-soil conditions / by Toshihiko Hisada, Kyoji -Nakagawa, Masanori Izumi CY - Tokyo : BRI ER -