@misc{Geeck1958,
  author    = {Geeck, Winfrid},
  title     = {Courrier du Dr Geeck (Harmonika Spielring) au maire de Montb{\´e}liard - proposition de donner un concert {\`a} Montb{\´e}liard},
  institution = {Brosch{\"u}ren, Flyer, Infomaterial / Brochures, flyers, documentation},
  year      = {1958},
  language  = {de}
}