1. Card, S.K., Mackinlay, J.D., Shneiderman, B.: Readings in Information Visualization: Using Vision to Think. Morgan Kaufmann, San Francisco (1999)
2. Chambers, S.: Deliberative democratic theory. Ann. Rev. Polit. Sci. 6, 307–326 (2003)
3. Council, N.R.: Understanding Risk: Informing Decisions in a Democratic Society. National Academy Press, Washington, D.C. (1996)
4. Curtis, D.D., Lawson, M.J.: Exploring collaborative online learning. J. Asynchr. Learn. Netw. 5(1), 21–34 (2001)
5. Elliman, T., Macintosh, A., Irani, Z.: A model building tool to support group deliberation (eDelib). Int. J. Cases Electron. Comm. 3(3), 33–44 (2007)