@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20140410-134228705, chapter = "The Elemental Composition of 4-30 MeV/nuc Cosmic Ray Nuclei with 1 ≤ Z ≤ 8", year = "1975", url = "https://resolver.caltech.edu/CaltechAUTHORS:20140410-134228705", id = "record" } @inbook{https://resolver.caltech.edu/CaltechAUTHORS:20140410-104006679, chapter = "Isotopic Composition of the Anomalous Low Energy Cosmic Ray Nitrogen and Oxygen", year = "1975", url = "https://resolver.caltech.edu/CaltechAUTHORS:20140410-104006679", id = "record" }