@other{https://thesis.library.caltech.edu/id/eprint/693,
    author = "Flinn, Edward Ambrose",
    title = "Exact Transient Solution of Some Problems of Elastic Wave Propagation",
    year = "1960",
    url = "https://resolver.caltech.edu/CaltechETD:etd-02212006-132324",
    id = "https://thesis.library.caltech.edu/id/eprint/693",
    doi = "10.7907/QRYY-CD29"
}


@other{https://thesis.library.caltech.edu/id/eprint/375,
    author = "Sanford, Allan Robert",
    title = "Section I. An Analytical and Experimental Study of Some Simple Geologic Structures. Section II. Gravity Survey of a Part of the Raymond and San Gabriel Basins, Southern California",
    year = "1958",
    url = "https://resolver.caltech.edu/CaltechETD:etd-01272006-094501",
    id = "https://thesis.library.caltech.edu/id/eprint/375",
    doi = "10.7907/HKE2-RP54"
}


@other{https://thesis.library.caltech.edu/id/eprint/2869,
    author = "Grau, Gérard",
    title = "I. On the Reflection of Plane Waves by Stratified Systems (Normal Incidence). II. The Determination of Seismic Velocities in Layers with Non-Parallel Interfaces",
    year = "1957",
    url = "https://resolver.caltech.edu/CaltechETD:etd-07132004-140721",
    id = "https://thesis.library.caltech.edu/id/eprint/2869",
    doi = "10.7907/2AR7-AG54"
}


@other{https://thesis.library.caltech.edu/id/eprint/3055,
    author = "Savage, James Crampton",
    title = "Wave Propagation in a Continuously Stratified Fluid",
    year = "1957",
    url = "https://resolver.caltech.edu/CaltechETD:etd-08092004-091454",
    id = "https://thesis.library.caltech.edu/id/eprint/3055",
    doi = "10.7907/SDVS-AN85"
}


@other{https://thesis.library.caltech.edu/id/eprint/2829,
    author = "Bödvarsson, Gunnar",
    title = "Thermal Activity and Related Phenomena in Iceland",
    year = "1957",
    url = "https://resolver.caltech.edu/CaltechETD:etd-07082004-135901",
    id = "https://thesis.library.caltech.edu/id/eprint/2829",
    doi = "10.7907/H708-R451"
}


@other{https://thesis.library.caltech.edu/id/eprint/2771,
    author = "Spencer, Terry Warren",
    title = "Studies in Acoustic Pulse Propagation",
    year = "1956",
    url = "https://resolver.caltech.edu/CaltechETD:etd-06292004-161005",
    id = "https://thesis.library.caltech.edu/id/eprint/2771",
    doi = "10.7907/RAV7-NV35"
}


@other{https://thesis.library.caltech.edu/id/eprint/5989,
    author = "Geldart, Lloyd Philip",
    title = "Periodic Variations of the Gravitational Force. A Gravity Survey in the Monk Hill Area. Transmission of Shot Impulses in Shallow Water",
    year = "1949",
    url = "https://resolver.caltech.edu/CaltechTHESIS:08172010-101104666",
    id = "https://thesis.library.caltech.edu/id/eprint/5989",
    doi = "10.7907/YH1P-CT82"
}