@misc{Bauerschmidt1972,
  author    = {Dietrich Bauerschmidt},
  title     = {Courrier du club r{\´e}gional des caravaniers de Ludwigsburg M. Parrant de la section camping, tourisme du CE Peugeot, concernant le s{\´e}jour programm{\´e} {\`a} la Pentec{\^o}te},
  institution = {Brosch{\"u}ren, Flyer, Infomaterial / Brochures, flyers, documentation},
  year        = {1972},
}