@Article{SCI:Wal2006f,
  author =    "I. Wald",
  title =     "Realtime Ray Tracing and Interactive Global
              Illumination",
  journal =   "IT - Information Technology",
  year =      "2006",
  note =      "Invited article in german.",
  keywords =  "rtcenter, rtrt real-time ray tracing, interactive
              rt distributed interactive ray tracing dirt",
  url =       "http://www.sci.utah.edu/publications/wald06/it2006.pdf",
}