Testing of Software and Communication Systems 21st IFIP WG 6.1 International Conference, TESTCOM 2009 and 9th International Workshop, FATES 2009, Eindhoven, The Netherlands, November 2-4, 2009. Proceedings - Núñez, Manuel; Baker, Paul; Merayo, Mercedes G. (Springer Berlin Heidelberg : Imprint: Springer, 2009)