The concern manipulation environment

@inproceedings{Chung-al:ICSE05,
  author    = {William Chung and
               William H. Harrison and
               Vincent J. Kruskal and
               Harold Ossher and
               Stanley M. Sutton Jr. and
               Peri L. Tarr and
               Matthew Chapman and
               Andrew Clement and
               Helen Hawkins and
               Sian January},
  title     = {The concern manipulation environment},
  booktitle = {ICSE},
  pages     = {666--667},
  publisher = {{ACM}},
  year      = {2005},
}