1. The visual display of quantitative information;Tufte,1983
2. Information visualization;Ware,2004
3. Comparing partitions with spie charts. Technical report 2003-87;Feitelson,2003
4. Pies, spies, roses, lines, and symmetries (visual revelations column);Wainer;Chance,2010
5. Visualizing health expenditure using spie charts (and R);Jacobs,2014