L. Nigay, and J. Coutaz. Proceedings of the INTERACT '93 and CHI '93 Conference on Human Factors in Computing Systems, page 172--178. New York, NY, USA, ACM, (1993)
J. Fiadeiro, and T. Maibaum. IWSSD '96: Proc. 8th Int. Workshop on Software Specification and Design, Washington, DC, USA, IEEE Computer Society, (1996)
M. Dias, and M. Vieira. IWSSD '00: Proceedings of the 10th International Workshop on Software Specification and Design, page 133--137. Washington, DC, USA, IEEE Computer Society, (2000)