@other{https://thesis.library.caltech.edu/id/eprint/239,
    author = "Swan, Walter Charles",
    title = "The Influence of Nozzle Design on the Flight Performance of Rocket Vehicles, with an Analysis of the Results of Jet Separation",
    year = "1948",
    url = "https://resolver.caltech.edu/CaltechETD:etd-01192007-131828",
    id = "https://thesis.library.caltech.edu/id/eprint/239",
    doi = "10.7907/1T89-B949"
}