1. AspectJ website. http://www.eclipse.org/aspectj/
2. Abadi, M., Cardelli, L.: A Theory of Objects. Springer, Heidelberg (1996)
3. Aksit, M., Wakita, K., Bosch, J., Bergmans, L., Yonezawa, A.: Abstracting object-interactions using composition-filters. In: Object-based distributed processing, LNCS (1993)
4. Association of Computing Machinery. Communications of the ACM (October 2001)
5. Bauer, L., Ligatti, J., Walker, D.: A calculus for composing security policies. Technical Report TR-655-02, Dept. of Computer Science, Princeton University (2002)