@Article{SCI:Wym2006a,
  author =    "C. Wyman and S.G. Parker and P. Shirley and C.D.
              Hansen",
  title =     "Interactive Display of Isosurfaces with Global
              Illumination",
  journal =   "IEEE Transactions on Visualization and Comptuer
              Graphics",
  volume =    "12",
  number =    "2",
  year =      "2006",
  month =     "March/April",
  keywords =  "volume rendering, rtrt real-time ray tracing,
              scientific visualization",
  url =       "http://www.sci.utah.edu/publications/wyman06/Wyman_TVCG2006.pdf",
}