@other{https://resolver.caltech.edu/CaltechETD:etd-07122007-085228,
    title = "Deterministic annealing, clustering, and optimization",
    url = "https://resolver.caltech.edu/CaltechETD:etd-07122007-085228",
    id = "record",
    doi = "10.7907/8N1R-3G60"
}