@article{Zimmermann2011,
  author    = {Peter Zimmermann},
  title     = {Der „Alte Flugplatz Karlsruhe"},
  journal   = {Carolinea},
  series    = {ein neues Naturschutzgebiet},
  volume    = {69},
  pages     = {139 -- 163},
  doi       = {10.57962/regionalia-19651},
  year      = {2011},
}