@Article{disrehab07-hhke,
  author = {Hub, A. and Hartter, T. and Kombrink, S. and Ertl, T.},
  title  = {{Real and virtual explorations of the environment and interactive tracking of movable objects for the blind on the basis of tactile-acoustical maps and 3D environment models}},
  year   = {2007},
  pages  = {1-12},
  journal = {{Disability and Rehabilitation: Assistive Technology (May 2007)}},,
  doi = {{http://dx.doi.org/10.1080/17483100701275677}}
}