A. Dearden, J. Finlay, E. Allgar, und B. Mcmanus. CHI 2002, Conference Extended Abstracts on Human Factors in Computer Systems, ACM Press, Minneapolis, Minnesota, USA,. 2002., Seite 664-665. (2002)
D. Ingalls, T. Kaehler, J. Maloney, S. Wallace, und A. Kay. OOPSLA '97: Proceedings of the 12th ACM SIGPLAN conference on Object-oriented programming, systems, languages, and applications, Seite 318-326. New York, NY, ACM Press, (1997)
A. Dearden, J. Finlay, E. Allgar, und B. Mcmanus. People and Computers XVII: Memorable yet Invisible, Proceedings of HCI'2002, Seite 159-174. Springer Verlag, (2002)