B. Paech, und B. Reuschenbach. International Conference on Requirements Engineering, Seite 257--262. Minneapolis, Minnesota, IEEE, (10--14 September 2006)
K. Nakakoji, Y. Yamamoto, Y. Nishinaka, K. Kishida, und Y. Ye. IWPSE '02: Proceedings of the International Workshop on Principles of Software Evolution, Seite 76--85. New York, NY, USA, ACM Press, (2002)
J. Feller, und B. Fitzgerald. ICIS '00: Proceedings of the twenty first international conference on Information systems, Seite 58--69. Atlanta, GA, USA, Association for Information Systems, (2000)