@other{https://resolver.caltech.edu/CaltechETD:etd-08232007-131927,
    title = "Complex dynamics in systems with many degrees of freedom",
    year = "1993",
    url = "https://resolver.caltech.edu/CaltechETD:etd-08232007-131927",
    id = "record",
    doi = "10.7907/s944-8d11"
}