@inproceedings{Induruwa-Fernando_and_Simpson_2008,
  title = "Towards a formal framework for workflow interoperability",
  author = "S. Induruwa-Fernando and A. C. Simpson, Proceedings of WS-FM 2008",
  year = "2008",
}
@inproceedings{Induruwa_et_al_2007,
  title = "Towards the interoperability of workflow definition languages",
  author = "S. Induruwa-Fernando and D. A. Creager and A. C. Simpson",
  year = "2007",
  booktitle = "Proceedings of WfPM 2007",
}