@other{https://resolver.caltech.edu/CaltechETD:etd-10042006-142406,
    title = "Studies of shock wave focusing using geometrical shock dynamics",
    url = "https://resolver.caltech.edu/CaltechETD:etd-10042006-142406",
    id = "record",
    doi = "10.7907/bfhf-3w47"
}