Rudolf Fleischer, Gerhard Trippen. On the Effectiveness of Visualizations in a Theory of Computing Course. In Ruqian Lu, Jörg H. Siekmann, Carsten Ullrich, editors, Cognitive Systems, Joint Chinese-German Workshop, Shanghai, China, March 7-11, 2005, Revised Selected Papers. Volume 4429 of Lecture Notes in Computer Science, pages 15-24, Springer, 2005. [doi]