@other{https://resolver.caltech.edu/CaltechTHESIS:04122012-100224959,
    title = "A Hierarchical Design Rule Checker",
    year = "1981",
    url = "https://resolver.caltech.edu/CaltechTHESIS:04122012-100224959",
    id = "record",
    doi = "10.7907/dqz1-c122"
}