@incollection{Harris80,
  author	= {Harris, L. R.},
  editor	= {Bolc, L.},
  year		= {1980},
  title		= {ROBOT: A High Performance Natural Language Interface For Data Base Query},
  booktitle	= {Natural Language Based Computer Systems},
  publisher	= {Hansen/Macmillan},
  address	= {Munchen/London}
}