Khalid Al-Begain, Simonetta Balsamo, Dieter Fiems, Andrea Marin: Analytical and Stochastic Modeling Techniques and Applications - 18th International Conference, ASMTA 2011, Venice, Italy, June 20-22, 2011. Proceedings. Lecture Notes in Computer Science 6751, Springer 2011, ISBN 978-3-642-21712-8