@article{Hassler1995,
  author    = {Haßler, Gerda},
  title     = {Forschungszentrum Europ{\"a}ische Aufkl{\"a}rung in Potsdam},
  year      = {1995},
  language  = {de}
}
@article{Hassler1995,
  author    = {Haßler, Gerda},
  title     = {Contexte th{\´e}matique et explication du sens},
  year      = {1995},
  language  = {fr}
}