@Article{johnsen07sosym,
  author =	 {Einar Broch Johnsen and Olaf Owe},
  title =	 {An Asynchronous Communication Model for Distributed
                  Concurrent Objects},
  journal =	 {Software and Systems Modeling},
  year =	 2007,
  volume =	 6,
  number =	 1,
  pages =	 {35--58},
  month =	 mar,
}