@other{https://resolver.caltech.edu/CaltechTHESIS:09262017-101951259,
    title = "Variable Lift Control of a Space Vehicle During the Re-Entry into Martian Atmosphere",
    year = "1969",
    url = "https://resolver.caltech.edu/CaltechTHESIS:09262017-101951259",
    id = "record",
    doi = "10.7907/NAF8-Q357"
}