@article{Riese2018,
  author    = {Reinhard Riese},
  title     = {Dreipfeil gegen Hakenkreuz},
  journal   = {Heidelberg : Jahrbuch zur Geschichte der Stadt},
  series    = {von der Erfindung eines Freiheitssymbols in Heidelberg},
  volume    = {23 (2019)},
  pages     = {137 -- 151},
  doi       = {10.57962/regionalia-24308},
  year      = {2018},
}