| Champions League 1989/1990 - Appearances as Referee |  |
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| 18/10/1989 | AC Milan | - | Real Madrid | 2:0 | - | - | - |
| 06/03/1990 | CFKA Sofia | - | Olympique Marseille | 0:1 | 4 | - | - |
| Champions League 1989/1990 - Appearances as Referee | |
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| 18/10/1989 | AC Milan | - | Real Madrid | 2:0 | - | - | - |
| 06/03/1990 | CFKA Sofia | - | Olympique Marseille | 0:1 | 4 | - | - |
| Complete name: | Aron Schmidhuber |
| Born: | 28/02/1947 |
| Place of birth: |
Germany |
| Residence: | Ottobrunn |
| Nationality: |
Germany |
| Bundesliga (GER) appearances: | 142 |