| year | title | booktitle | pages | |
|---|---|---|---|---|
| 1 | 1990 | Essentially l-Fold Secure Authentication Systems | eurocrypt | 294-305 |
| 2 | 1989 | How to Say ``No'' | eurocrypt | 491-496 |
| 3 | 1987 | Perfect and Essentially Perfect Authentication Schemes | eurocrypt | 167-170 |
| 4 | 1986 | Geometric Structures as Threshold Schemes | eurocrypt | 46 |
Coauthors of Albrecht Beutelspacher |