Content deleted Content added
Line 108:
* Peter R. Keller and Mary Keller (1993). ''Visual Cues: Practical Data Visualization''.
* Frits H. Post, Gregory M. Nielson and Georges-Pierre Bonneau (2002). [http://visualisation.tudelft.nl/publications/post2003b.pdf ''Data Visualization: The State of the Art''].
==External links==
|