| Europa League 1971/1972 - Appearances as Referee |  |
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| 29/09/1971 | Aberdeen FC | - | RC Celta | 1:0 | 2 | - | - |
| Europa League 1971/1972 - Appearances as Referee | |
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| 29/09/1971 | Aberdeen FC | - | RC Celta | 1:0 | 2 | - | - |
| Complete name: | Kjell Wahlen |
| Born: | 14/10/1926 † 04/05/2006 |
| Place of birth: |
Norway |
| Residence: | Nordstrandhogda |
| Nationality: |
Norway |