| Copa Libertadores 1983 - Appearances as Referee |  |
 |
 |
||||
| 03/03/1983 | Grêmio Porto Alegre | - | Flamengo RJ | 1:1 | - | - | - |
| 11/04/1983 | Estudiantes | - | Colo-Colo | 4:1 | - | - | - |
| 12/05/1983 | Ferro Carril Oeste | - | Cobreloa | 1:0 | - | - | - |
| Copa Libertadores 1983 - Appearances as Referee | |
|
|
||||
| 03/03/1983 | Grêmio Porto Alegre | - | Flamengo RJ | 1:1 | - | - | - |
| 11/04/1983 | Estudiantes | - | Colo-Colo | 4:1 | - | - | - |
| 12/05/1983 | Ferro Carril Oeste | - | Cobreloa | 1:0 | - | - | - |
| Complete name: | Arnaldo David Cézar Coelho |
| Born: | 15/01/1943 |
| Place of birth: |
Rio de Janeiro, 
Brazil |
| Nationality: |
Brazil |
| Profession: | Physiklehrer |