@phdthesis{Haase2007,
  author    = {Haase, Matthias},
  title     = {Conceptual Capacities},
  address   = {Potsdam},
  pages     = {223 S.},
  year      = {2007},
  language  = {en}
}
@article{Petsche2007,
  author    = {Petsche, Hans-Joachim},
  title     = {Will we find utopia? : converging technologies and human beings},
  isbn      = {978-3-89404-941-6},
  year      = {2007},
  language  = {en}
}