@other{https://resolver.caltech.edu/CaltechETD:etd-11072006-135048,
    title = "Photorefractive properties of ferroelectric materials for optical phase conjugation, two-beam coupling, and holographic storage",
    year = "1990",
    url = "https://resolver.caltech.edu/CaltechETD:etd-11072006-135048",
    id = "record",
    doi = "10.7907/rc1x-8046"
}