@Article{itti-projects,
  author = {Ertl, T. and Keim, D.},
  title  = {{Wissenschaftliche Visualisierung - Ausgewählte Forschungsprojekte}},
  year   = {2004},
  pages  = {148-153},
  journal = {it - Information Technology},
  volume = {46},
  number = {3}
}