Christian Icking Rolf Klein Peter Köllner Lihong Ma Java Applets for the Dynamic Visualization of Voronoi Diagrams. 191-205 2003 conf/birthday/2003ottmann Computer Science in Perspective http://link.springer.de/link/service/series/0558/bibs/2598/25980191.htm db/conf/birthday/ottmann2003.html#IckingKKM03