| Europa League 1966/1967 - Appearances as Referee |  |
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| 21/09/1966 | Crvena Zvezda | - | Athletic Bilbao | 5:0 | - | - | - |
| Europa League 1966/1967 - Appearances as Referee | |
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| 21/09/1966 | Crvena Zvezda | - | Athletic Bilbao | 5:0 | - | - | - |
| Complete name: | Gusztáv Bircsak |
| Born: | 00/00/1925 † 00/00/2006 |
| Place of birth: |
Hungary |
| Residence: | Budapest |
| Nationality: |
Hungary |