@other{https://resolver.caltech.edu/CaltechETD:etd-06062005-152649,
    title = "Control art of switching converters",
    year = "1991",
    url = "https://resolver.caltech.edu/CaltechETD:etd-06062005-152649",
    id = "record",
    doi = "10.7907/TQG2-GK48"
}