@InProceedings{SCI:Par99c,
  author =    "S.G. Parker and W. Martin and P.-P. Sloan and P.
              Shirley and B. Smits and C.D. Hansen",
  title =     "Interactive Ray Tracing",
  booktitle = "Symposium on Interactive 3D Graphics: Interactive
              3D",
  pages =     "119--126",
  year =      "1999",
  month =     "April 26-28",
  keywords =  "parallel visualization, interactive rt distributed
              interactive ray tracing dirt, scientific
              visualization, rtrt",
  url =       "http://www.sci.utah.edu/publications/sparker99/rtrt.pdf",
  url =       "http://www.sci.utah.edu/publications/sparker99/rtrt.ps.gz",
}