@techreport{HarthPeter1989,
  author    = {Harth-Peter, Waltraud},
  title     = {Generalversammlung der Association Montessori Internationale (AMI) vom 1. April 1989},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-42695},
  year      = {1989},
  abstract  = {No abstract available},
  subject      = {Montessori},
  language  = {de}
}