@article{https://resolver.caltech.edu/CaltechAUTHORS:20151027-151330874,
    title = "Applying Constrained Optimization to Computer Graphics",
    journal = "SMPTE Journal",
    year = "1993",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20151027-151330874",
    id = "record",
    issn = "1545-0279",
    doi = "10.5594/J15888",
    volume = "102"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:20170718-155605061,
    title = "Automatic Creation of Object Hierarchies for Ray Tracing",
    journal = "IEEE Computer Graphics and Applications",
    year = "1987",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20170718-155605061",
    id = "record",
    issn = "0272-1716",
    doi = "10.1109/MCG.1987.276983",
    volume = "7"
}