@other{https://resolver.caltech.edu/CaltechCSTR:1980.3762-tr-80,
    title = "A Software Design System",
    year = "1980",
    url = "https://resolver.caltech.edu/CaltechCSTR:1980.3762-tr-80",
    id = "record",
    doi = "10.7907/ppc1r-w4508"
}