@other{https://resolver.caltech.edu/CaltechTHESIS:08272015-160534262,
    title = "Primary cosmic-ray positrons and negatrons in 1968 at energies between 11 and 204 MeV",
    url = "https://resolver.caltech.edu/CaltechTHESIS:08272015-160534262",
    id = "record",
    doi = "10.7907/S34H-QY14"
}