@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"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:20170821-162850461,
    title = "Introduction to the Plasma Issue",
    journal = "Proceedings of the IRE",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20170821-162850461",
    id = "record",
    issn = "0096-8390",
    doi = "10.1109/JRPROC.1961.287704",
    volume = "49"
}