@other{https://resolver.caltech.edu/CaltechETD:etd-05282003-094253,
    title = "Averaging and Control of Nonlinear Systems",
    year = "2003",
    url = "https://resolver.caltech.edu/CaltechETD:etd-05282003-094253",
    id = "record",
    doi = "10.7907/N7HH-PM67"
}