@other{https://resolver.caltech.edu/CaltechTHESIS:05152018-114910943,
    title = "Mass-Gaps in Lattice Field Theories",
    url = "https://resolver.caltech.edu/CaltechTHESIS:05152018-114910943",
    id = "record",
    doi = "10.7907/w3cz-2v27"
}