@other{https://resolver.caltech.edu/CaltechTHESIS:02272019-105053083,
    title = "Modeling and Identification in Structural Dynamics",
    year = "1987",
    url = "https://resolver.caltech.edu/CaltechTHESIS:02272019-105053083",
    id = "record",
    doi = "10.7907/1wwx-ca82"
}