@article{Jaenkel1994,
  author    = {J{\"a}nkel, Ralph},
  title     = {Einigungsvertrag},
  year      = {1994},
  language  = {de}
}
@article{Jaenkel1994,
  author    = {J{\"a}nkel, Ralph},
  title     = {Umweltschutz und Umweltrecht},
  year      = {1994},
  language  = {de}
}
@article{Jaenkel1994,
  author    = {J{\"a}nkel, Ralph},
  title     = {Oder},
  year      = {1994},
  language  = {de}
}
@article{Jaenkel1995,
  author    = {J{\"a}nkel, Ralph},
  title     = {Umweltschutz und Umweltrecht},
  year      = {1995},
  language  = {de}
}