@InProceedings{SCI:Kno2007c,
  author =    "A. Knoll and Y. Hijazi and C.D. Hansen and I. Wald
              and H. Hagen",
  title =     "Interactive Ray Tracing of Arbitrary Implicits
              with {SIMD} Interval Arithmetic",
  booktitle = "Proceedings of 2nd {IEEE/EG} Symposium on
              Interactive Ray Tracing 2007",
  pages =     "11--18",
  year =      "2007",
  location =  "Ulm, Germany",
  keywords =  "parallel visualization, interactive ray tracing",
  url =       "http://www.sci.utah.edu/publications/knoll07/rtia-rt07.pdf",
}