@Article{SCI:Ize2011a,
  author =    "T. Ize and C.D. Hansen",
  title =     "RTSAH Traversal Order for Occlusion Rays",
  journal =   "Computer Graphics Forum",
  volume =    "30",
  number =    "2",
  pages =     "297--305",
  year =      "2011",
  publisher = "Wiley-Blackwell",
  month =     "April",
  doi =       "10.1111/j.1467-8659.2011.01861.x",
  url =       "http://www.sci.utah.edu/publications/Ize2011a/Ize_rtsah2011.pdf",
}