1. Booch, G., Rumbaugh, J., and Jacobson, I.: The Unified Modeling Language User Guide. Addison-Wesley, October 1998. ISBN 0-201-57168-4.
2. Czarnecki, K., and Eisenecker, Ulrich W.: Synthesizing Objects. In: Proceedings of the 13th European Conference on Object-Oriented Programming (ECOOP’99). Springer, 1999.
3. Egyed, A.: Integrating Architectural Views in UML. Technical Report USC/CSE-99-TR-514, University of Southern California, Center for Software Engineering, 1999.
4. European Software Institute: Product-line Architectures and Technologies to Manage them, ESI-1998-RECORD-ED1, 1998.
5. Griss, M. L., Favaro, J., and d’Alessandro, M.: Integrating Feature Modeling with the RSEB. Proceedings of the 5th International Conference on Software Reuse (ICSR’98). IEEE Computer Society Press. Victoria BC, Canada, June 2–5, 1998. ISBN 0-8186-8377-5.