| * | 1993 | |
|---|---|---|
| 2 | Stephan Roppel, Christian Wolff, Christa Womser-Hacker: Intelligentes Faktenretrieval am Beispiel der Werkstoffinformation. Information Retrieval 1993: 154-168 | |
| 1 | Stephan Roppel: Intelligent Retrieval in a Multimodal Materials Information System. Interfaces in Industrial Systems for Production Engineering 1993: 73-86 | |
| 1 | Christian Wolff | [2] |
| 2 | Christa Womser-Hacker | [2] |