@Article{SCI:Dem2005a,
  author =    "D.E. DeMarle and C.P. Gribble and S. Boulos and
              S.G. Parker",
  title =     "Memory Sharing for Interactive Ray Tracing on
              Clusters",
  journal =   "Parallel Computing",
  volume =    "31",
  number =    "2",
  pages =     "221--242",
  year =      "2005",
  keywords =  "parallel visualization, interactive rt distributed
              interactive ray tracing dirt",
  url =       "http://www.sci.utah.edu/publications/demarle05/dirt-jpdc04.pdf",
}