@article{Haas2001,
  author    = {Walter K. F. Haas},
  title     = {Das Postwesen im alten Villingen},
  journal   = {Villingen im Wandel der Zeit},
  volume    = {24},
  pages     = {103 -- 105},
  doi       = {10.57962/regionalia-16560},
  year      = {2001},
}