| in paper |
 Thomas Ritz (2001) Personalized Information Services – an Electronic Information Commodity and ist Production
|
|---|---|
| authors |
 Nielsen, Jakob
|
| year | 1999 |
| title |
Designing Web Usability: The practice of Simplicity
|
| source | Indianapolis: New Ryders Publishing |
| last changed | 2008/06/07 10:15 |
