L. Coney, J. Hall, P. Vora, and D. Wagner. DG.O, volume 89 of ACM International Conference Proceeding Series, page 287-288. Digital Government Research Center, (2005)
J. Jürjens, and S. Wagner. Component-Based Software Development for Embedded Systems, volume 3778 of Lecture Notes in Computer Science, Springer, (2005)