@techreport{Brachman-etal79,
  author	= {Brachman, Ronald J. and Bobrow, R. and Cohen, P. and Klovstad, J. and Webber, B. L. and Woods, W. A.},
  month		= aug,
  year		= {1979},
  title		= {Research in Natural Language Understanding},
  number	= {4274},
  institution	= {Bolt Beranek and Newman Inc.}
}