@misc{Semmel2011,
  author    = {Arno Semmel},
  title     = {Der oberfl{\"a}chennahe Untergrund in der Rhein-Main-Landschaft : ein Exkursionsf{\"u}hrer},
  isbn      = {3-923184-27-1},
  issn      = {0080-2662},
  institution = {Geowissenschaften},
  series    = {Rhein-Mainische Forschungen},
  number    = {121},
  type      = {workingpaper},
  year        = {2011},
}