@article{https://resolver.caltech.edu/CaltechAUTHORS:20140212-085401267,
    title = "The isotopic composition of cosmic-ray B, C, N, and O: Evidence for an overabundance of ^(18)O",
    journal = "Astrophysical Journal",
    year = "1992",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20140212-085401267",
    id = "record",
    issn = "0004-637X",
    doi = "10.1086/186405",
    volume = "391"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:20140512-103603757,
    title = "The Isotopic Composition of Cosmic Ray B, C, N, and O:  Evidence for an Overabundance ^(18)O",
    journal = "Astrophysical Journal",
    year = "1992",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20140512-103603757",
    id = "record",
    issn = "0004-637X",
    doi = "10.1086/186405",
    volume = "391"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:20140909-090921312,
    title = "Abundances of ultraheavy elements in the cosmic radiation: results from HEAO 3",
    journal = "Astrophysical Journal",
    year = "1989",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20140909-090921312",
    id = "record",
    issn = "0004-637X",
    doi = "10.1086/168082",
    volume = "346"
}