[1] ISO 639 (all parts) Codes for the representation of names of languages

[2] ISO 5127 Information and documentation-Vocabulary

[3] ISO 8601 Data elements and interchange formats - Information interchange - Representation of dates and times

[4] ISO/IEC 13250 Information technology - SGML applications - Topic maps

[5] ISO/TR 16982 Ergonomics of human-system interaction - Usability methods supporting human-centred design

[6] ISO/TR 18529 Ergonomics - Ergonomics of human-system interaction - Human-centered lifecycle process descriptions

[7] Brinck, Т., Gergle, D. and Wood, S. D., Usability forthe Web: designing websites that work, San Francisco, CA, Morgan Kaufmann Publishers, 2002

[8] Kojani, S. J. et al., Research-based Web design and Usability Guidelines, U.S. Department of Health and Human Services, 2003 (http://www.usability.gov)

[9] Nielsen, J., Designing Web usability the practice of simplicity. Indianapolis, New Riders Publishing, 2000

[10] Nogier, J. F., Ergonomie du logiciel et design Web. Dunod, 2003 (in French)

[11] Duyne, van, D. K.; Landay, J. A. &Hong, J. I., The Design of Sites - Patterns, Principles and Processes for Crafting a

Customer-Centred Web Experience, Boston, Addison-Wesley, 2003

[12] Scano, R., Accessibility dalla teoria alia realita. Associazione, IWA, Italy, 2004 (in Italian)

[13] Stephanidis, C. (ed.), User Interfaces for All-Concepts, Methods and Tools. Mahwah, NJ. Lawrence Erlbaum Associates, 2001

[14] Travis, D.S., E-Commerce Usability: Tools and Techniques to Perfect the On-line Experience. London, Taylor & Francis, 2003

[15] CC/PP, Composite Capability/Preference Profiles: Structure and Vocabularies, World Wide Web Consortium (W3C) (http://www.w3.org/TR/2003/WD-CCPP-struct-vocab-20030325/)

[16] P3P1.1, The Platform for Privacy Preferences 1.1, World Wide Web Consortium (W3C) Specification

[17] CSS 2.1, Cascading Style Sheets Level 2, Revision 1, World Wide Web Consortium (W3C) Specification