@other{https://resolver.caltech.edu/CaltechETD:etd-12092005-131707,
    title = "Part I. Cylindrical Couette Flow in a Rarefied Gas According to Grad's Equation. Part II. Small Perturbations in the Unsteady Flow of a Rarefied Gas Based on Grad's Thirteen Moment Approximation",
    year = "1961",
    url = "https://resolver.caltech.edu/CaltechETD:etd-12092005-131707",
    id = "record",
    doi = "10.7907/9P2N-HF23"
}