@other{https://resolver.caltech.edu/CaltechETD:etd-10292003-161340,
    title = "Second Sound Scattering in Superfluid Helium",
    year = "1985",
    url = "https://resolver.caltech.edu/CaltechETD:etd-10292003-161340",
    id = "record",
    doi = "10.7907/r8ge-j070"
}