@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20201027-183159164,
    title = "Visual Computing: Integrating Computer Graphics with Computer Vision",
    chapter = "A Unified Framework for Constraint-Based Modeling",
    year = "1992",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20201027-183159164",
    id = "record",
    isbn = "9784431682066",
    doi = "10.1007/978-4-431-68204-2\_41"
}


@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20161108-175142608,
    title = "SIGGRAPH '89 Proceedings of the 16th annual conference on Computer graphics and interactive techniques",
    chapter = "Guaranteed ray intersections with implicit surfaces",
    year = "1989",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20161108-175142608",
    id = "record",
    isbn = "0-89791-312-4",
    doi = "10.1145/74333.74364"
}