@mastersthesis{Ehrenberger97,
  author = {Ehrenberger, Petra},
  interhash = {e8d96f66300f8ffeda48000ea4c65407},
  intrahash = {d793610d3651aa5299c488acc1531f3d},
  school = {TH Darmstadt},
  title = {Erstellung eines Begrifflichen Erkundungssystems zur Bildlogik Picassos},
  year = 1997
}