@article{Hendrix78,
  author	= {Hendrix, G. and Sacerdoti, E. and Sagalowicz, D. and Slocum, J.},
  year		= {1978},
  title		= {Developing a Natural Language Interface to Complex Data},
  journal	= {ACM Transactions on Database Systems},
  volume	= {3},
  number	= {2},
  pages		= {105--149}
}