@InProceedings{icevi05-hde,
  author = {Hub, A. and Diepstraten, J. and Ertl, T.},
  title  = {{Learning foreign languages by using a new type of orientation assistant for the blind}},
  year   = {2005},
  pages  = {339-341},
  booktitle = {{Proceedings of the European Conference of the International Council for Education of People with Visual Impairment (ICEVI 2005); August 14-18; Chemnitz, Germany}}
}