@other{https://resolver.caltech.edu/CaltechETD:etd-05282003-205506,
    title = "Modeling Artificial, Mobile Swarm Systems",
    year = "2003",
    url = "https://resolver.caltech.edu/CaltechETD:etd-05282003-205506",
    id = "record",
    doi = "10.7907/EJYZ-3Y55"
}