@other{https://resolver.caltech.edu/CaltechETD:etd-08122005-094404,
    title = "Robust system analysis and nonlinear system model reduction",
    year = "1998",
    url = "https://resolver.caltech.edu/CaltechETD:etd-08122005-094404",
    id = "record",
    doi = "10.7907/jh14-eg48"
}