| Europa League 1977/1978 - Appearances as Referee |  |
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 |
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| 28/09/1977 | Sporting CP | - | SÉC Bastia | 1:2 | - | - | - |
| 19/10/1977 | Ipswich Town | - | UD Las Palmas | 1:0 | - | - | - |
| 06/12/1977 | Athletic Club | - | Aston Villa | 1:1 | - | - | - |
| Europa League 1977/1978 - Appearances as Referee | |
|
|
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| 28/09/1977 | Sporting CP | - | SÉC Bastia | 1:2 | - | - | - |
| 19/10/1977 | Ipswich Town | - | UD Las Palmas | 1:0 | - | - | - |
| 06/12/1977 | Athletic Club | - | Aston Villa | 1:1 | - | - | - |
| Complete name: | Jean Dubach |
| Born: | 28/02/1930 |
| Place of birth: |
Switzerland |
| Nationality: |
Switzerland |