@other{https://resolver.caltech.edu/CaltechAUTHORS:20170210-103837670,
    title = "Vacuum Requirements for the Cascade Synchrotron",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20170210-103837670",
    id = "record",
    doi = "10.7907/Z9Z0365R"
}