@other{https://resolver.caltech.edu/CaltechTHESIS:07192012-091529776,
    title = "Accretion Into and Emission from Black Holes",
    year = "1976",
    url = "https://resolver.caltech.edu/CaltechTHESIS:07192012-091529776",
    id = "record",
    doi = "10.7907/RAEC-8822"
}