@other{https://resolver.caltech.edu/CaltechTHESIS:08312010-081235652,
    title = "An investigation of a two-dimensional propulsive lifting system",
    url = "https://resolver.caltech.edu/CaltechTHESIS:08312010-081235652",
    id = "record",
    doi = "10.7907/GZNT-1X61"
}