@other{https://resolver.caltech.edu/CaltechTHESIS:10092014-075936061,
    title = "Observations of hydrogen and helium isotopes in solar cosmic rays  ",
    url = "https://resolver.caltech.edu/CaltechTHESIS:10092014-075936061",
    id = "record",
    doi = "10.7907/WGAQ-5D56"
}