N. Schärli, S. Ducasse, O. Nierstrasz, und A. Black. ECOOP 2003 -- Object-Oriented Programming, Volume 2743/2003 von Lecture Notes in Computer Science, Seite 327--339. OGI School of Science & Engineering , Oregon Health and Science University, Springer, (November 2003)
A. Black, N. Schärli, und S. Ducasse. Proceedings of the 18th Annual ACM SIGPLAN Conference on Object-oriented Programing, Systems, Languages, and Applications, Seite 47--64. ACM, (2003)