@other{https://resolver.caltech.edu/CaltechETD:etd-09042008-141513,
    title = "A study of hydroxyl masers in the circumstellar envelopes of long period variable stars",
    url = "https://resolver.caltech.edu/CaltechETD:etd-09042008-141513",
    id = "record",
    doi = "10.7907/zsta-x423"
}


@other{https://resolver.caltech.edu/CaltechETD:etd-09092008-083043,
    title = "Turbulence and Mass Motion in Galactic Molecular Clouds",
    url = "https://resolver.caltech.edu/CaltechETD:etd-09092008-083043",
    id = "record",
    doi = "10.7907/wbm2-9x67"
}


@other{https://resolver.caltech.edu/CaltechETD:etd-09032008-131405,
    title = "The Orientation and Sizes of Molecular Clouds in the Galaxy",
    url = "https://resolver.caltech.edu/CaltechETD:etd-09032008-131405",
    id = "record",
    doi = "10.7907/p0pn-sw91"
}