F. Mostefaoui, and J. Vachon. AOM '07: Proceedings of the 10th international workshop on Aspect-oriented modeling, page 41--48. New York, NY, USA, ACM Press, (2007)
P. Ng, and P. Ng. Software Engineering Research, Management & Applications, 2007. SERA 2007. 5th ACIS International Conference on, page 393--400. (2007)