@other{https://resolver.caltech.edu/CaltechTHESIS:09282011-075406850,
    title = "A structured approach to physically-based modeling for computer graphics",
    year = "1992",
    url = "https://resolver.caltech.edu/CaltechTHESIS:09282011-075406850",
    id = "record",
    doi = "10.7907/tbgd-g285"
}