@other{https://thesis.library.caltech.edu/id/eprint/7312,
    author = "Luo, Peilin",
    title = "On the Theory of Salient Pole Alternators with Electromagnet and with Permanent Magnet Excitations",
    year = "1952",
    url = "https://resolver.caltech.edu/CaltechTHESIS:12072012-090301560",
    id = "https://thesis.library.caltech.edu/id/eprint/7312",
    doi = "10.7907/M0ZN-HQ87"
}


@other{https://thesis.library.caltech.edu/id/eprint/14385,
    author = "Griest, Raymond Howard",
    title = "A Low-Voltage High Speed Cathode-Ray Oscillograph",
    year = "1937",
    url = "https://resolver.caltech.edu/CaltechTHESIS:10062021-184222765",
    id = "https://thesis.library.caltech.edu/id/eprint/14385",
    doi = "10.7907/artw-qn46"
}


@other{https://thesis.library.caltech.edu/id/eprint/6864,
    author = "Ramo, Simon",
    title = "A Proposed New Standard for High Voltage Measurements",
    year = "1936",
    url = "https://resolver.caltech.edu/CaltechTHESIS:03232012-125331634",
    id = "https://thesis.library.caltech.edu/id/eprint/6864",
    doi = "10.7907/7ZP0-G010"
}