@article{WagnerHGD09,
  title = {Preface},
  author = {Michael Wagner and Dieter Hogrefe and Kurt Geihs and Klaus David},
  year = {2009},
  url = {http://eceasst.cs.tu-berlin.de/index.php/eceasst/article/view/227/184},
  researchr = {https://researchr.org/publication/WagnerHGD09},
  cites = {0},
  citedby = {0},
  journal = {ECEASST},
  volume = {17},
}