@other{https://resolver.caltech.edu/CaltechETD:etd-04082003-180353,
    title = "Time-Dependent Dynamical Systems and Geophysical Flows",
    url = "https://resolver.caltech.edu/CaltechETD:etd-04082003-180353",
    id = "record",
    doi = "10.7907/A83E-VZ73"
}


@other{https://resolver.caltech.edu/CaltechETD:etd-03302004-115559,
    title = "Time-Frequency Analysis Based on Wavelets for Hamiltonian Systems",
    url = "https://resolver.caltech.edu/CaltechETD:etd-03302004-115559",
    id = "record",
    doi = "10.7907/8MBB-3Z60"
}