@inproceedings{backes03security,
  author       = {Backes, Michael and Pfitzmann, Birgit and Waidner, Michael},
  title        = {Security in Business Process Engineering},
  booktitle    = {Proceedings of 2003 International Conference on Business Process Management},
  series       = {Lecture Notes in Computer Science},
  volume       = {2678},
  month        = {September},
  year         = {2003},
  publisher    = {Springer},
  pages        = {168-183}
}