@other{https://resolver.caltech.edu/CaltechETD:etd-12152003-111801,
    title = "A Study of the Relationships Between the Aurora Borealis and the Geomagnetic Disturbances Caused by Electric Currents in the Ionosphere",
    year = "1954",
    url = "https://resolver.caltech.edu/CaltechETD:etd-12152003-111801",
    id = "record",
    doi = "10.7907/RWHG-0Y11"
}