@article{CohenOviatt95,
  author	= {Cohen, Phillip R. and Oviatt, S. L.},
  year		= {1995},
  title		= {The Role of Voice Input for Human-Machine Communication},
  journal	= {Proceedings of the National Academy of Sciences},
  volume	= {92},
  number	= {22},
  pages		= {9921--9927}
}