| Europa League 1979/1980 - Appearances as Referee |  |
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| 03/10/1979 | TJ Baník Ostrava OKD | - | Orduspor 1967 | 6:0 | - | - | - |
| Europa League 1979/1980 - Appearances as Referee | |
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| 03/10/1979 | TJ Baník Ostrava OKD | - | Orduspor 1967 | 6:0 | - | - | - |
| Complete name: | Ib Nielsen |
| Born: | 03/12/1940 † 22/05/1921 |
| Place of birth: |
Denmark |
| Residence: | Aalborg |
| Nationality: |
Denmark |