@Article{BlockCaspariSchachtl04it,
  author = {Hans-Ulrich Block and Rudolf Caspari and Stefanie Schachtl},
  title  = {Callable Manuals---Access to Product Documentation via Voice},
  journal = {it -- Information Technology},
  year   = {2004},
  number = {6},
  url    = {http://dx.doi.org/10.1524/itit.46.6.299.54679},

  const  = {\ text}
}
@Inproceedings{SchachtlSchusterEtAl07DAGA,
  author = {Stefanie Schachtl and Matthias Schuster and Hans-Ulrich Block and André Berton and Peter Regel-Brietzmann},
  title  = {Spoken Dialog Access to Web Content in the Car},

  year   = {2007},
  number = {},
  url    = {},

  const  = {\ text}
}