@other{https://thesis.library.caltech.edu/id/eprint/37,
    author = "Roney, Robert Kenneth",
    title = "The Influence of Metal Grain Structure on the Attenuation of an Ultrasonic Acoustic Wave",
    year = "1950",
    url = "https://resolver.caltech.edu/CaltechETD:etd-01052007-131306",
    id = "https://thesis.library.caltech.edu/id/eprint/37",
    doi = "10.7907/V3FK-SM37"
}


@other{https://thesis.library.caltech.edu/id/eprint/4383,
    author = "Mettler, Ruben Fred",
    title = "The Anemometric Application of an Electrical Glow Discharge in Transverse Air Streams",
    year = "1949",
    url = "https://resolver.caltech.edu/CaltechETD:etd-11032003-110318",
    id = "https://thesis.library.caltech.edu/id/eprint/4383",
    doi = "10.7907/RTBA-4692"
}


@other{https://thesis.library.caltech.edu/id/eprint/1767,
    author = "Kyropoulos, Peter Rudolf",
    title = "Dynamic Effects on the Gas Exchange Process in Two Stroke Cycle Engines",
    year = "1948",
    url = "https://resolver.caltech.edu/CaltechETD:etd-05132003-163847",
    id = "https://thesis.library.caltech.edu/id/eprint/1767",
    doi = "10.7907/EDNA-1J88"
}


@other{https://thesis.library.caltech.edu/id/eprint/1966,
    author = "Hudson, Donald Ellis",
    title = "Internal Friction in Metals",
    year = "1942",
    url = "https://resolver.caltech.edu/CaltechETD:etd-05232003-090926",
    id = "https://thesis.library.caltech.edu/id/eprint/1966",
    doi = "10.7907/Z2V9-C551"
}