@other{https://resolver.caltech.edu/CaltechETD:etd-01062003-061357,
    title = "Toward an Understanding of the Progenitors of Gamma-Ray Bursts",
    year = "2002",
    url = "https://resolver.caltech.edu/CaltechETD:etd-01062003-061357",
    id = "record",
    doi = "10.7907/GKHP-2K61"
}