| |
| 2009 | ||
|---|---|---|
| 1 | EE | Michael Leitner, Özge Subasi, Norman Höller, Arjan Geven, Manfred Tscheligi: User requirement analysis for a railway ticketing portal with emphasis on semantic accessibility for older users. W4A 2009: 114-122 |
| 1 | Arjan Geven | [1] |
| 2 | Norman Höller | [1] |
| 3 | Michael Leitner | [1] |
| 4 | Manfred Tscheligi | [1] |