@other{https://resolver.caltech.edu/CaltechTHESIS:08312011-132624162,
    title = "A wavelength diversity technique for smoothing of speckle",
    year = "1974",
    url = "https://resolver.caltech.edu/CaltechTHESIS:08312011-132624162",
    id = "record",
    doi = "10.7907/02VQ-6128"
}