@other{https://resolver.caltech.edu/CaltechETD:etd-01182008-113319,
    title = "Finite-difference algorithms for counting problems",
    url = "https://resolver.caltech.edu/CaltechETD:etd-01182008-113319",
    id = "record",
    doi = "10.7907/fdc3-5s46"
}