@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20160126-091610550,
    chapter = "Characteristics of Lead Isotope Evolution on a Continental Scale in the Earth",
    year = "1964",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20160126-091610550",
    id = "record"
}