| Journal: | Comercio exterior |
| Database: | CLASE |
| System number: | 000071088 |
| ISSN: | 0185-0601 |
| Year: | 1980 |
| Season: | Oct |
| Volumen: | 30 |
| Number: | 10 |
| Pages: | 1073-1079 |
| Country: | México |
| Document type: | Nota breve o noticia |
| Approach: | Divulgación |
| Disciplines: | Economía |
| Keyword: | Economía del transporte, México, Transporte |
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