@misc{OPUS4-1413,
  title     = {Programme des manifestations du 40{\`e} anniversaire du jumelage, les 15-16 septembre 1990 {\`a} Ludwigsburg},
  booktitle = {Mairie Montb{\´e}liard},
  institution = {Brosch{\"u}ren, Flyer, Infomaterial / Brochures, flyers, documentation},
  year        = {1990},
}