@other{https://resolver.caltech.edu/CaltechETD:etd-03012004-161831,
    title = "Photorefractive 3-D disks for optical data storage and artificial neural networks",
    year = "1994",
    url = "https://resolver.caltech.edu/CaltechETD:etd-03012004-161831",
    id = "record",
    doi = "10.7907/wx1q-v852"
}