| Super League 1989/1990 Abstieg Gruppe B - Appearances as Referee |  |
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| 25/02/1990 | FC Locarno | - | CS Chênois | 2:1 | 3 | - | - |
| 16/04/1990 | FC Baden | - | FC Aarau | 2:5 | 2 | - | - |
| Super League 1989/1990 Abstieg Gruppe B - Appearances as Referee | |
|
|
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| 25/02/1990 | FC Locarno | - | CS Chênois | 2:1 | 3 | - | - |
| 16/04/1990 | FC Baden | - | FC Aarau | 2:5 | 2 | - | - |
| Complete name: | Peter Kellenberger |
| Born: | 27/03/1963 |
| Place of birth: |
Switzerland |
| Nationality: |
Switzerland |