@other{https://resolver.caltech.edu/CaltechEERL:1976.EERL-76-03, title = "A study of the vibrational characteristics of two multistory buildings", year = "2001", url = "https://resolver.caltech.edu/CaltechEERL:1976.EERL-76-03", id = "record" } @other{https://resolver.caltech.edu/CaltechEERL:1975.EERL-75-02, title = "Dynamic responses of six multistory buildings during the San Fernando earthquake", year = "1975", url = "https://resolver.caltech.edu/CaltechEERL:1975.EERL-75-02", id = "record" }