@inproceedings{bpmn-time,
  title = "A Relative Timed Semantics for BPMN",
  author = "Peter Y.H. Wong and Jeremy Gibbons",
  year = "2008",
  booktitle = "Proceedings of 7th International Workshop on the Foundations of Coordination Languages and Software Architectures.",
  month = "July",
  note = "Invited for special issue in Science of Computer Programming. A shorter version of this paper was presented at the 3rd European Young Researchers Workshop on Service Oriented Computing, London, United Kingdom, June 2008. Extended version available at \url{http://web.comlab.ox.ac.uk/oucl/work/peter.wong/pub/bpmntime.pdf}.",
  series = "ENTCS",
  url = "http://www.comlab.ox.ac.uk/jeremy.gibbons/publications/relative.pdf",
  volume = "229",
  doi = "10.1016/j.entcs.2009.06.029",
}