@article{LaeppleMesslingTrabant2011,
  author    = {L{\"a}pple, Dieter and Messling, Markus and Trabant, J{\"u}rgen},
  title     = {Stadt und Urbanit{\"a}t im Zeitalter der St{\"a}dte},
  isbn      = {978-3-86599-127-0},
  year      = {2011},
  language  = {de}
}