@InProceedings{iris2008-giereth,
  author = {Giereth, M. and Koch, S. and Bosch, H. and Ertl, T.},
  title  = {{Visual Patent Retrieval}},
  year   = {2008},
  pages  = {569--574},
  booktitle={{Internationales Rechtsinformatik Symposion (IRIS'08)}}
}