@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20140407-091516396,
    chapter = "Cosmic-Ray Negatron and Positron Spectra Observed Near Fort Churchill in 1968",
    year = "1969",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20140407-091516396",
    id = "record"
}