G. Murphy, и D. Notkin. Proceedings of SIGSOFT 1995, Third ACM SIGSOFT Symposium on the Foundations of Software Engineering, стр. 116--127. ACM Press, (1995)
K. Mens, C. Lopes, B. Tekinerdogan, и G. Kiczales. Workshop Reader of the 11th European Conference on Object-Oriented Programming, ECOOP 1997, том 1357 из Lecture Notes in Computer Science, стр. 483--496. Springer-Verlag, (1998)
M. Boger, T. Sturm, и P. Fragemann. Proc. Int'l Conf. eXtreme Programming and Flexible Processes in Software Engineering (XP), стр. 77--81. (2002)Alghero, Sardinia, Italy.