@other{https://resolver.caltech.edu/CaltechThesis:08202021-235130206,
    title = "Development of Finite Element Procedures for Fluid-Structure Interaction",
    year = "1981",
    url = "https://resolver.caltech.edu/CaltechThesis:08202021-235130206",
    id = "record",
    doi = "10.7907/4yzv-q979"
}


@other{https://resolver.caltech.edu/CaltechETD:etd-02012005-161447,
    title = "A Petrov-Galerkin Finite Element Formulation for Convection Dominated Flows",
    year = "1981",
    url = "https://resolver.caltech.edu/CaltechETD:etd-02012005-161447",
    id = "record",
    doi = "10.7907/Q164-VZ22"
}