| Europa League 1976/1977 - Appearances as Referee |  |
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| 15/09/1976 | Manchester City | - | Juventus | 1:0 | - | - | - |
| 06/04/1977 | RWD Molenbeek | - | Athletic Bilbao | 1:1 | - | - | - |
| Europa League 1976/1977 - Appearances as Referee | |
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|
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| 15/09/1976 | Manchester City | - | Juventus | 1:0 | - | - | - |
| 06/04/1977 | RWD Molenbeek | - | Athletic Bilbao | 1:1 | - | - | - |
| Complete name: | Walter Hungerbühler |
| Born: | 09/08/1930 † 27/03/2012 |
| Place of birth: |
Switzerland |
| Residence: | St. Gallen |
| Nationality: |
Switzerland |