@other{https://resolver.caltech.edu/CaltechTHESIS:10012010-115944627, title = "Low-cost, industrial class-E power amplifiers with sine-wave drive", year = "2000", url = "https://resolver.caltech.edu/CaltechTHESIS:10012010-115944627", id = "record", doi = "10.7907/j5vk-kx77" }