@InProceedings{hcii01-schweikh,
  author = {Schweikhardt, W.},
  title  = {{Computer Based Communication on and About Mathematics by Blind and Sighted People }},
  year   = {2001},
  pages  = {986-989},
  volume = {3},
  publisher = {{Lawrence Erlbaum Associates}},
  booktitle = {{Universal Access in HCI}},
  editor = {Stephanidis, C.}
}