@other{https://resolver.caltech.edu/CaltechAUTHORS:20180910-150845951,
    title = "Status and perspectives of photoproduction experiments",
    year = "1968",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20180910-150845951",
    id = "record",
    doi = "10.2172/6547895"
}


@other{https://resolver.caltech.edu/CaltechAUTHORS:20180201-145013465,
    title = "Selective Detectors for High Energy Photons and Electrons",
    year = "1964",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20180201-145013465",
    id = "record",
    doi = "10.7907/Z9P26WBM"
}