G. Hofer, и K. Richmond. Proceedings of the 11th Annual Conference of the International Speech Communication Association (INTERSPEECH), стр. 454-457. Makuhari, Japan, (сентября 2010)
M. Weidlich, G. Decker, A. Großkopf, и M. Weske. On the Move to Meaningful Internet Systems: OTM 2008, том 5331 из Lecture Notes in Computer Science, Springer Berlin Heidelberg, (2008)
J. Hausmann, и S. Kent. SoftVis '03: Proceedings of the 2003 ACM symposium on Software visualization, стр. 169--178. New York, NY, USA, ACM Press, (2003)
J. Hausmann, и S. Kent. SoftVis '03: Proceedings of the 2003 ACM symposium on Software visualization, стр. 169--178. New York, NY, USA, ACM Press, (2003)