About Andreas Butz Books by Andreas Butz Smart Graphics 6th International Symposium, SG 2006, Vancover, Canada, July 23-25, 2006, Proceedings by (author) Andreas Butz edited by Brian Fisher, Antonio Krüger & Patrick Olivier Smart Graphics 4th International Symposium, SG 2004, Banff, Canada, May 23-25, 2004, Proceedings by (author) Andreas Butz edited by Antonio Krüger & Patrick Olivier