@other{https://resolver.caltech.edu/CaltechETD:etd-11212007-125547,
    title = "Coupled array of CO2 waveguide lasers",
    year = "1993",
    url = "https://resolver.caltech.edu/CaltechETD:etd-11212007-125547",
    id = "record",
    doi = "10.7907/zajm-ra61"
}