@other{https://resolver.caltech.edu/CaltechETD:etd-08092007-090234,
    title = "A study of multi-speed discrete-velocity gases",
    url = "https://resolver.caltech.edu/CaltechETD:etd-08092007-090234",
    id = "record",
    doi = "10.7907/tz85-x511"
}


@other{https://resolver.caltech.edu/CaltechTHESIS:09282010-140423372,
    title = "Second sound attenuation in a liquid helium counterflow jet",
    url = "https://resolver.caltech.edu/CaltechTHESIS:09282010-140423372",
    id = "record",
    doi = "10.7907/7C0G-HK08"
}