@misc{SalzbergLudwig2008,
  author    = {Karin Salzberg-Ludwig},
  title     = {Scholarly research on mind maps in learning by mentally retarded children},
  url       = {http://www.leeds.ac.uk/educol/documents/174867.pdf},
  institution = {Department f{\"u}r Inklusionsp{\"a}dagogik},
  type      = {other},
  year        = {2008},
}