J. Hausmann, and S. Kent. SoftVis '03: Proceedings of the 2003 ACM symposium on Software visualization, page 169--178. New York, NY, USA, ACM Press, (2003)
J. Mak, J. Mak, C. Choy, C. Choy, D. Lun, and D. Lun. Software Engineering, 2004. ICSE 2004. Proceedings. 26th International Conference on, page 252--261. (2004)
A. Simons. Electronic Workshops in Computing: Rigorous Object-Oriented Methods 2000, series ed. C J van Rijsbergen, British Computer Society, 2000, page 8--1. (2000)
J. Hausmann, and S. Kent. SoftVis '03: Proceedings of the 2003 ACM symposium on Software visualization, page 169--178. New York, NY, USA, ACM Press, (2003)