@article{Duddeck2007,
  author    = {Heinz Duddeck},
  title     = {Modelle in den Technikwissenschaften},
  url       = {http://edoc.bbaw.de/oa/series/revNh7Z9oLnsY/PDF/22jtE2o2q0Oc_482.pdf},
  year      = {2007},
}