| Copa Libertadores 1978 - Appearances as Referee |  |
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| 09/04/1978 | Palestino | - | Unión Española | 2:3 | - | - | - |
| Copa Libertadores 1978 - Appearances as Referee | |
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| 09/04/1978 | Palestino | - | Unión Española | 2:3 | - | - | - |
| Complete name: | Gastón Edmundo Castro Makuc |
| Born: | 23/08/1948 |
| Place of birth: |
Chile |
| Nationality: |
Chile |