@TechReport{SCI:Ber2004a,
  author =    "F.F. Bernardon and C.A. Pagot and J.L.D. Comba and
              C.T. Silva",
  title =     "{GPU}-based Tiled Ray Casting using Depth
              Peeling",
  number =    "UUSCI-2004-006",
  year =      "2004",
  institution = "University of Utah",
  type =      "{SCI} Institute Technical Report",
  url =       "http://www.sci.utah.edu/publications/SCITechReports/UUSCI-2004-006.pdf",
}