| 1994 | ||
|---|---|---|
| 2 | Christian Bühler, Helmut Heck, Rainer Wallbruch: A Uniform Control Interface for Various Electronic Aids. ICCHP 1994: 51-58 | |
| 1993 | ||
| 1 | Christian Bühler, Helmut Heck, Rainer Wallbruch: Adaptable User Interfaces for People with Special Needs. VCHCI 1993: 413-414 | |
| 1 | Christian Bühler | [1] [2] |
| 2 | Helmut Heck | [1] [2] |