References
Tufte, Edward R. 2001. The Visual Display of Quantitative
Information. 2nd ed. Cheshire, CT: Graphics Press.
Tufte, Edward R, Nora Hillman Goeler, and Richard Benson. 1990.
Envisioning Information. Vol. 126. Graphics press Cheshire, CT.
Tufte, Edward R, Susan R McKay, Wolfgang Christian, and James R Matey.
1998. Visual Explanations: Images and Quantities, Evidence and
Narrative. American Institute of Physics.