C. Lucas, P. Steyaert, и K. Mens. Special Issues in Object-Oriented Programming, Workshop Reader of the 10th European Conference on Object-Oriented Programming (ECOOP 1996), dpunkt.verlag, ECOOP'96 workshop on Composability Issues in Object Orientation.(1996)
C. Lucas, K. Mens, и P. Steyaert. Unpublished draft, Technical Report, vub-prog-tr-95-04. Programming Technology Lab, Vrije Universiteit Brussel, Belgium, (1995)
K. Mens, P. Steyaert, и C. Lucas. Special Issues in Object-Oriented Programming, Workshop Reader of the 10th European Conference on Object-Oriented Programming (ECOOP 1996), dpunkt.verlag, ECOOP'96 Workshop on Adaptability in OO Software Development.(1997)