Denys Poshyvanyk, Massimiliano Di Penta, Huzefa H. Kagdi: TEFSE'11, Proceedings of the 6th International Workshop on Traceability in Emerging Forms of Software Engineering, May 23, 2011, Waikiki, Honolulu, HI, USA. ACM 2011, ISBN 978-1-4503-0589-1