| Europa League 1980/1981 - Appearances as Referee |  |
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| 01/10/1980 | SK VOEST Linz | - | TJ Zbrojovka Brno | 0:2 | - | - | - |
| Europa League 1980/1981 - Appearances as Referee | |
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| 01/10/1980 | SK VOEST Linz | - | TJ Zbrojovka Brno | 0:2 | - | - | - |
| Complete name: | Jakob Baumann |
| Born: | 22/09/1941 |
| Place of birth: |
Switzerland |
| Residence: | Schaffhausen |
| Nationality: |
Switzerland |