@article{bpmn09,
  title = "Formalisations and Applications of BPMN",
  author = "Peter Y.H. Wong and Jeremy Gibbons",
  year = "2011",
  journal = "Science of Computer Programming",
  note = "Special issue on FOCLASA 2008",
  pages = "633-650",
  volume = "76",
  doi = "10.1016/j.scico.2009.09.010",
}