@article{Falkenstein2001,
  author    = {Franz Falkenstein},
  title     = {{\"U}ber die Sandsteinbr{\"u}che in der Umgebung von Unteralpfen},
  journal   = {Badische Heimat},
  volume    = {81},
  number    = {3},
  pages     = {494 -- 498},
  doi       = {10.57962/regionalia-21470},
  year      = {2001},
}