@article{https://resolver.caltech.edu/CaltechAUTHORS:20161110-132143128,
    title = "Guaranteed ray intersections with implicit surfaces",
    journal = "ACM SIGGRAPH Computer Graphics",
    year = "1989",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20161110-132143128",
    id = "record",
    isbn = "0-89791-312-4",
    issn = "0097-8930",
    doi = "10.1145/74334.74364",
    volume = "23"
}