Evolución y contaminación
| MPAA Rating: | NR |
| Genre: | Documentary, Short |
| Country: | Peru |
| Produced By: | Leonidas Zegarra |
| Directed By: | Pablo Rivasplata |
| Written By: | Eduardo Vega |
| In Theaters: | Nov 30, 1978 |
| Runtime: | 10 minutes |
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| MPAA Rating: | NR |
| Genre: | Documentary, Short |
| Country: | Peru |
| Produced By: | Leonidas Zegarra |
| Directed By: | Pablo Rivasplata |
| Written By: | Eduardo Vega |
| In Theaters: | Nov 30, 1978 |
| Runtime: | 10 minutes |