@other{https://resolver.caltech.edu/CaltechETD:etd-04142003-122732,
    title = "Atom-Atom Ionization Mechanisms and Cross Sections in Noble Gases and Noble Gas Mixtures",
    year = "1965",
    url = "https://resolver.caltech.edu/CaltechETD:etd-04142003-122732",
    id = "record",
    doi = "10.7907/6CHH-Z732"
}


@other{https://resolver.caltech.edu/CaltechETD:etd-12072005-144544,
    title = "Initial Ionization Rates in Shock-Heated Argon, Krypton, and Xenon",
    year = "1963",
    url = "https://resolver.caltech.edu/CaltechETD:etd-12072005-144544",
    id = "record",
    doi = "10.7907/HW2S-MW55"
}


@other{https://resolver.caltech.edu/CaltechETD:etd-12222005-102142,
    title = "Preliminary Study of the Rate and Degree of Thermal Ionization of Argon Behind Shock Waves",
    year = "1961",
    url = "https://resolver.caltech.edu/CaltechETD:etd-12222005-102142",
    id = "record",
    doi = "10.7907/SDGQ-VZ93"
}