1. Deussen, O., Lintermann, B.: Digital Design of Nature. Springer, Heidelberg (2005)
2. Borgo, R., Kehrer, J., Chung, D.H., Maguire, E., Laramee, R.S., Hauser, H., Ward, M., Chen, M.: Glyph-based visualization: foundations, design guidelines, techniques and applications. In: Proceedings of Eurographics, Eurographics, pp. 39–63 (2012)
3. Springer Handbooks Computer Statistics;M Ward,2008
4. Cleveland, W., McGill, R.: Graphical perception: theory, experimentation, and application to the development of graphical methods. J. Am. Stat. Assoc. 79, 531–554 (1984)
5. Siegel, J., Farrell, E., Goldwyn, R., Friedman, H.: The Surgical Implications of Physiologic Patterns in Myocardial Infarction Shock. Surgery 72, 126 (1972)