@other{https://resolver.caltech.edu/CaltechAUTHORS:20200518-124126273,
    title = "Variations in the dynamic properties of structures: the Wigner-Ville distribution",
    year = "2006",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20200518-124126273",
    id = "record"
}