@article{Aust-etal95,
  author	= {Aust, H. and Oerder, M. and Seide, F. and Steinbiss, V.},
  title		= {The Philips automatic train timetable information system},
  journal	= {Speech Communication},
  year		= {1995},
  volume	= {17},
  pages		= {249--262}
}