@TechReport{SCI:Wal2006e,
  author =    "I. Wald and S. Boulos and P. Shirley",
  title =     "Ray Tracing Deformable Scenes using Dynamic
              Bounding Volume Hierarchies",
  number =    "UUSCI-2006-023",
  year =      "2006",
  institution = "University of Utah",
  type =      "{SCI} Institute Technical Report",
  note =      "Updated version of UUSCI-2006-015",
  keywords =  "rtcenter",
  url =       "http://www.sci.utah.edu/publications/SCITechReports/UUSCI-2006-023.pdf",
}