@article{Spath2001,
  author    = {Emil Spath},
  title     = {Tor des Himmels},
  journal   = {Freiburger Di{\"o}zesan-Archiv},
  series    = {das Hauptportal des Freiburger M{\"u}nsters (1)},
  volume    = {121},
  pages     = {5 -- 20},
  doi       = {10.57962/regionalia-22884},
  year      = {2001},
}