| Europa League 1975/1976 - Appearances as Referee |  |
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| 17/09/1975 | FC Carl Zeiss Jena | - | Olympique Marseille | 3:0 | 1 | - | - |
| 01/10/1975 | SSC Napoli | - | Torpedo Moskva | 1:1 | 2 | - | - |
| 16/03/1976 | FKS Stal Mielec | - | Hamburger SV | 0:1 | - | - | - |
| Europa League 1975/1976 - Appearances as Referee | |
|
|
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| 17/09/1975 | FC Carl Zeiss Jena | - | Olympique Marseille | 3:0 | 1 | - | - |
| 01/10/1975 | SSC Napoli | - | Torpedo Moskva | 1:1 | 2 | - | - |
| 16/03/1976 | FKS Stal Mielec | - | Hamburger SV | 0:1 | - | - | - |
| Complete name: | Walter Hungerbühler |
| Born: | 09/08/1930 † 27/03/2012 |
| Place of birth: |
Switzerland |
| Residence: | St. Gallen |
| Nationality: |
Switzerland |