@article{HarthPeter1989,
  author    = {Harth-Peter, Waltraud},
  title     = {Was ist mit dem "Freien Ausdruck"? / Maria Montessori ({\"U}bersetzung)},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-51048},
  year      = {1989},
  abstract  = {No abstract available},
  subject      = {Kind},
  language  = {de}
}
@article{HarthPeter1989,
  author    = {Harth-Peter, Waltraud},
  title     = {Vorwort (Das Kind (1989) 6)},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-42779},
  year      = {1989},
  abstract  = {No abstract available},
  subject      = {Kind},
  language  = {de}
}
@article{HarthPeter1989,
  author    = {Harth-Peter, Waltraud},
  title     = {Vorwort (Das Kind (1989) 5)},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-42789},
  year      = {1989},
  abstract  = {No abstract available},
  subject      = {Kind},
  language  = {de}
}
@article{HarthPeter1989,
  author    = {Harth-Peter, Waltraud},
  title     = {Das neue Kind / Maria Montessori ({\"U}bersetzung)},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-51038},
  year      = {1989},
  abstract  = {No abstract available},
  subject      = {Kind},
  language  = {de}
}