@other{https://resolver.caltech.edu/CaltechTHESIS:09062011-105435728,
    title = "Isotopic composition of galactic cosmic ray boron, carbon, nitrogen, and oxygen",
    year = "1992",
    url = "https://resolver.caltech.edu/CaltechTHESIS:09062011-105435728",
    id = "record",
    doi = "10.7907/m2hn-q437"
}