1Andrews K. Visualising information structures, http://www. iicm. edu/keith/, 2005.
2Shneiderman B. "The eyes have it: a task by data type taxon- omy of information visualizations". Proceedings of 1996 IEEE Symposium on Visual Languages, 1996.
3Stuart Card, Jock Mackinlay, Ben Shneiderman. Readings in Information Visualization: Using Vision to Think. Morgan Kauf- mann, 1999.