@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20120308-100046284,
    title = "LEOS '93 conference proceedings: IEEE Lasers and Electro-Optics Society 1993 Annual Meeting",
    chapter = "Tunable, single-frequency, erbium fiber ring lasers",
    year = "1993",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20120308-100046284",
    id = "record",
    isbn = "0-7803-1263-5",
    doi = "10.1109/LEOS.1993.379387"
}