@article{https://resolver.caltech.edu/CaltechAUTHORS:BIEpr49b,
    title = "Cosmic-Ray Experiments at High Altitudes over a Wide Range of Latitudes",
    journal = "Physical Review",
    year = "1949",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:BIEpr49b",
    id = "record",
    issn = "0031-899X",
    doi = "10.1103/PhysRev.76.914",
    volume = "76"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:BIEpr49a,
    title = "Note on the east-west effect",
    journal = "Physical Review",
    year = "1949",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:BIEpr49a",
    id = "record",
    issn = "0031-899X",
    doi = "10.1103/PhysRev.75.688.2",
    volume = "75"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:NEHrmp48,
    title = "Cosmic-ray effects from solar flares and magnetic storms",
    journal = "Reviews of Modern Physics",
    year = "1948",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:NEHrmp48",
    id = "record",
    issn = "0034-6861",
    doi = "10.1103/RevModPhys.20.350",
    volume = "20"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:20140731-163157405,
    title = "Recent Studies of the Cosmic-Ray Latitude Effect at High Altitudes",
    journal = "Reviews of Modern Physics",
    year = "1948",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20140731-163157405",
    id = "record",
    issn = "0034-6861",
    doi = "10.1103/RevModPhys.20.360",
    volume = "20"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:20140731-164124087,
    title = "A New Cosmic-Ray Telescope for High Altitudes",
    journal = "Reviews of Modern Physics",
    year = "1948",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20140731-164124087",
    id = "record",
    issn = "0034-6861",
    doi = "10.1103/RevModPhys.20.353",
    volume = "20"
}