@other{https://resolver.caltech.edu/CaltechTHESIS:10012010-115944627,
    title = "Low-cost, industrial class-E power amplifiers with sine-wave drive",
    url = "https://resolver.caltech.edu/CaltechTHESIS:10012010-115944627",
    id = "record",
    doi = "10.7907/j5vk-kx77"
}