@Article{SCI:Joh2004a,
  author =    "C.R. Johnson",
  title =     "Top Scientific Visualization Research Problems",
  journal =   "{IEEE} Computer Graphics and Applications:
              Visualization Viewpoints",
  volume =    "24",
  number =    "4",
  pages =     "13--17",
  year =      "2004",
  month =     "July/August",
  keywords =  "ncrr",
  url =       "http://www.sci.utah.edu/publications/crj04/Vis_Viewpoints04.pdf",
}