1. W3C: Web Content Accessibility Guidelines (WCAG) 2.0, http://www.w3.org/TR/WCAG20 (2008). Accessed 10 July 2012
2. Nielsen, J.: Designing Web Usability: The Practice of Simplicity. New Riders Publishing, Indianapolis (2000)
3. Fowler, M.: Refactoring: Improving the Design of Existing Code. Addison-Wesley, Boston (1999)
4. Ambler, S.W., Sadalage, P.J.: Refactoring Databases: Evolutionary Database Design. Addison-Wesley, Boston (2006)
5. Puente, G., Diaz, O.: Wiki Refactoring as Mind Maps Reshaping. In: 24th International Conference on Advanced Information Systems Engineering (CAiSE’12) Poland, pp. 646–661