@Article{SCI:Wal2009a,
  author =    "I. Wald and W.R. Mark and J. G{\"u}nther and S.
              Boulos and T. Ize and W. Hunt and S.G. Parker and
              P. Shirley",
  title =     "State of the Art in Ray Tracing Animated Scenes",
  journal =   "Computer Graphics Forum",
  volume =    "28",
  number =    "6",
  pages =     "1691--1722",
  year =      "2009",
  doi =       "10.1111/j.1467-8659.2008.01313.x",
  url =       "http://www.sci.utah.edu/publications/Wal2009a/Wald_CGF2009.pdf",
}