@other{https://resolver.caltech.edu/CaltechTHESIS:07172014-124951267,
    title = "Low-noise THz Niobium SIS Mixers",
    year = "1997",
    url = "https://resolver.caltech.edu/CaltechTHESIS:07172014-124951267",
    id = "record",
    doi = "10.7907/AZYZ-XP41"
}