Hans P. van Ditmarsch, Sujata Ghosh, Rineke Verbrugge, Yanjing Wang. Hidden protocols. In Krzysztof R. Apt, editor, Proceedings of the 13th Conference on Theoretical Aspects of Rationality and Knowledge (TARK-2011), Groningen, The Netherlands, July 12-14, 2011. pages 65-74, ACM, 2011. [doi]