@other{https://resolver.caltech.edu/CaltechETD:etd-04022004-155134,
    title = "Frequencies and amplitudes of high-degree solar oscillations",
    year = "1991",
    url = "https://resolver.caltech.edu/CaltechETD:etd-04022004-155134",
    id = "record",
    doi = "10.7907/X6C6-R543"
}