@Article{SCI:Ben2006a,
  author =    "C. Benthin and I. Wald and P. Slusallek",
  title =     "Techniques for Interactive Ray Tracing of Bezier
              Surfaces",
  journal =   "Journal of Graphics Tools",
  volume =    "11",
  number =    "2",
  pages =     "1--16",
  year =      "2006",
  keywords =  "rtcenter",
}