@other{https://resolver.caltech.edu/CaltechETD:etd-03172009-110456,
    title = "Periodic Supersonic Motions of a Thin Wing of Finite Span",
    year = "1950",
    url = "https://resolver.caltech.edu/CaltechETD:etd-03172009-110456",
    id = "record",
    doi = "10.7907/VZX8-E374"
}


@other{https://resolver.caltech.edu/CaltechTHESIS:09192025-183557362,
    title = "Lift on Two-Dimensional Symmetrical Airfoil of Finite Thickness in Supersonic Flow",
    year = "1947",
    url = "https://resolver.caltech.edu/CaltechTHESIS:09192025-183557362",
    id = "record",
    doi = "10.7907/zajs-cy52"
}