@article{LesterPorter97,
  author	= {Lester, James C. and Porter, Bruce W.},
  month		= mar,
  year		= {1997},
  title		= {Developing and empirically evaluating robust explanation generators: the KNIGHT experiments},
  journal	= {Computational Linguistics},
  volume	= {23},
  number	= {1},
  pages		= {65--102}
}