@book{GrouxHelmchenFlitner2006,
  author    = {Dominique Groux and J{\"u}rgen Helmchen and Elisabeth Flitner},
  title     = {L{\~O} ecole compar{\´e}e : regards crois{\´e}s franco-allemands},
  isbn      = {978-2-296-01945-4},
  year      = {2006},
}