Walter Guttmann, Bernhard Möller. Modal Design Algebra. In Steve Dunne, Bill Stoddart, editors, Unifying Theories of Programming, First International Symposium, UTP 2006, Walworth Castle, County Durham, UK, February 5-7, 2006, Revised Selected Papers. Volume 4010 of Lecture Notes in Computer Science, pages 236-256, Springer, 2006. [doi]
Abstract is missing.