1. Card SK (2012) Information visualization. In: Jacko JA (ed) Human-computer interaction handbook: fundamentals, evolving technologies and emerging applications, 3rd edn. CRC Press, Boca Raton, p 539
2. Chang R, Ghoniem M, Kosara R, Ribarsky W, Yang J, Suma E, Ziemkiewicz C, Kern D, Sudjianto A (2007) WireVis: visualization of categorical, time-varying data from financial transactions. In: IEEE, Symposium on visual analytics science and technology, pp 155–162
3. Colgan L, Spence R, Rankin PR (1995) The Cockpit metaphor. Behav Inf Technol 14(4):251–263
4. Davidson C (1993) What your database hides away. New Scientist, 9 January 1993, pp 28–31
5. Garland K (1994) Mr. Beck’s underground map: a history. Capital Transport Publishing, Harrow Weald