@other{https://resolver.caltech.edu/CaltechEERL:1971.EERL-71-05,
    title = "High frequency errors and instrument corrections of strong-motion accelerograms",
    year = "1971",
    url = "https://resolver.caltech.edu/CaltechEERL:1971.EERL-71-05",
    id = "record"
}


@other{https://resolver.caltech.edu/CaltechEERL:1966.EERL.1966.001,
    title = "Studies of response to earthquake ground motion",
    year = "1966",
    url = "https://resolver.caltech.edu/CaltechEERL:1966.EERL.1966.001",
    id = "record"
}