@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20201124-070756003,
    title = "CO: Twenty-Five Years of Millimeter-Wave Spectroscopy",
    chapter = "Molecular Gas in Galactic Nuclei",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20201124-070756003",
    id = "record",
    isbn = "978-0-7923-4284-7",
    doi = "10.1007/978-94-011-5414-7\_53"
}


@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20201124-072155813,
    title = "Cold Gas at High Redshift",
    chapter = "Co in Ultraluminous and High Z Galaxies",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20201124-072155813",
    id = "record",
    isbn = "978-94-010-7273-1",
    doi = "10.1007/978-94-009-1726-2\_2"
}