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    title = "Engineering mechanics : proceedings of the ninth conference",
    chapter = "Nonstationary Response Characteristics of Linear MDOF Systems",
    year = "2012",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20120926-111253408",
    id = "record",
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@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20120926-111518500,
    title = "Engineering mechanics : proceedings of the ninth conference",
    chapter = "Updating Dynamic Models and their Associated Uncertainties for Structural Systems",
    year = "2012",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20120926-111518500",
    id = "record",
    isbn = "0872628671"
}