@InProceedings{SCI:Lu2002b,
  author =    "A. Lu and C.J. Morris and D. Ebert and P.
              Rheingans and C.D. Hansen",
  title =     "Non-Photorealistic Volume Rendering Using
              Stippling Techniques",
  booktitle = c-VIS2002,
  pages =     "211--218",
  year =      "2002",
  location =  "Boston, MA",
  note =      "Awarded Best Paper at the conference",
  keywords =  "volume rendering",
  url =       "http://www.sci.utah.edu/publications/lu02/vis_stipple.pdf",
}