D. Gessenharter, and M. Rauscher. Modelling Foundations and Applications: 7th European Conference, ECMFA 2011, Birmingham, UK, June 6--9, 2011, Proceedings, 6698, Springer, Berlin, (2011)
P. Fritzson. Proceedings of the 7th International Wireless Communications and Mobile Computing Conference (IWCMC 2011), Istanbul, Turkey, page 1648-1653. (2011)