C. Nebut, F. Fleurey, Y. Traon, и J. Jézéquel. ISSRE '03: Proceedings of the 14th International Symposium on Software Reliability Engineering, стр. 85. Washington, DC, USA, IEEE Computer Society, (2003)
P. Fröhlich, и J. Link. ECOOP '00: Proceedings of the 14th European Conference on Object-Oriented Programming, стр. 472--492. London, UK, Springer-Verlag, (2000)