H. Fard, Y. Yu, J. Mylopoulos, and P. Andritsos. Fundamental Approaches to Software Engineering (FASE 2005), page 96--110. Edinburgh, UK, The IEEE Computer Society, (April 2005)
C. Zhang, D. Gao, and H. Jacobsen. AOSD '05: Proceedings of the 4th international conference on Aspect-oriented software development, page 63--74. New York, NY, USA, ACM Press, (2005)