@other{https://resolver.caltech.edu/CaltechTHESIS:12222015-094656971,
    title = "Some Uses of the Spontaneous Polarization Method",
    year = "1945",
    url = "https://resolver.caltech.edu/CaltechTHESIS:12222015-094656971",
    id = "record",
    doi = "10.7907/WHXG-6T26"
}


@other{https://resolver.caltech.edu/CaltechTHESIS:04012010-150324264,
    title = "Magnetic Survey of the San Gabriel Wash",
    year = "1944",
    url = "https://resolver.caltech.edu/CaltechTHESIS:04012010-150324264",
    id = "record",
    doi = "10.7907/N0GY-7Q46"
}