@article{NechesEES,
  author	= {Neches, Robert and Swartout, William R. and Moore, Johanna D.},
  month		= nov,
  year		= {1985},
  title		= {Enhanced Maintenance and Explanation of Expert Systems Through Explicit Models of Their Development},
  journal	= {IEEE Transactions on Software Engineering},
  volume	= {SE-11},
  number	= {11},
  pages		= {1337--1351}
}