@other{https://resolver.caltech.edu/CaltechETD:etd-05042006-105832,
    title = "Enzyme Design by Directed Evolution",
    year = "1998",
    url = "https://resolver.caltech.edu/CaltechETD:etd-05042006-105832",
    id = "record",
    doi = "10.7907/3bcb-4g98"
}