@article{Knobloch2007,
  author    = {Eberhard Knobloch},
  title     = {Kurzdarstellung zum Thema "Modelle"},
  url       = {http://edoc.bbaw.de/oa/series/reNu9MKM4Lndw/PDF/28rbPkDocFY_481.pdf},
  year      = {2007},
}