@Article{popov:07:GPURT,
  author       = "Stefan Popov and Johannes G{\"u}nther and Hans-Peter
                 Seidel and Philipp Slusallek",
  title        = "Stackless KD-Tree Traversal for High Performance {GPU}
                 Ray Tracing",
  editor       = "Daniel Cohen-Or and Pavel Slav{\'\i}k",
  journal      = "Computer Graphics Forum",
  year         = 2007,
  volume       = 26,
  number       = 3,
  month        = sep,
  pages        = "415--424",
  note         = "(Proceedings of Eurographics)",
  location     = "Prague, Czech Republic",
  publisher    = "The Eurographics Association and Blackwell Publishing
                 Ltd"
}