Refactoring Use Case Models on Episodes

@inproceedings{Yu-al:ASE04,
  author    = {Wei Yu and
               Jun Li and
               Greg Butler},
  title     = {Refactoring Use Case Models on Episodes},
  booktitle = {ASE},
  pages     = {328--331},
  publisher = {{IEEE} Computer Society},
  year      = {2004},
}