1. Arango, G. and Prieto-Diaz, R. (eds.) Domain Analysis Concepts and Research Directions. In Domain Analysis and Software Systems Modeling, pp. 9–31, IEEE Computer Society Press, 1991.
2. Ardis, M. and Weiss, D. Defining Families: The Commonality Analysis. Proceedings of the Nineteenth International Conference on Software Engineering, pp. 649–650, IEEE Computer Society Press, May 1997.
3. Basili, V., Caldiera, G., and Rombach, D. Experience Factory. Encyclopedia of Software Engineering Volume 1:469–476, Marciniak, J. ed. John Wiley & Sons, 1994.
4. Bayer, J., Flege, O., Knauber, P., Laqua, R., Muthig, D., Schmid, K., Widen, T., DeBaud, J.M. PuLSE: A methodology to develop software product lines. In Symposium on Software Reusability, May 1999.
5. Bayer, J., Muthig, D., and Widen, T. Support for Domain and Variant Engineering: Diversity/CDA. Submitted for publication, May 1999.