@other{https://resolver.caltech.edu/CaltechAUTHORS:20190222-183736994,
    title = "Behavior of Traveling-Wave Tubes Near Circuit Cutoff",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20190222-183736994",
    id = "record",
    doi = "10.7907/W9EH-2G97"
}