Gérard Boudol. On Typing Information Flow. In Dang Van Hung, Martin Wirsing, editors, Theoretical Aspects of Computing - ICTAC 2005, Second International Colloquium, Hanoi, Vietnam, October 17-21, 2005, Proceedings. Volume 3722 of Lecture Notes in Computer Science, pages 366-380, Springer, 2005. [doi]