| 1980 | ||
|---|---|---|
| 2 | EE | Gisela Zifonun: Levels Of Representation In Natural Language Based Information Systems And Their Relation To The Methodology Of Computational Linguistics. COLING 1980: 202-208 |
| 1977 | ||
| 1 | Werner Dilger, Gisela Zifonun: The Predicate Calculus-Language KS as a Query Language. Logic and Data Bases 1977: 377-408 | |
| 1 | Werner Dilger | [1] |