| Journal: | Comercio exterior |
| Database: | CLASE |
| System number: | 000083028 |
| ISSN: | 0185-0601 |
| Year: | 1978 |
| Season: | Nov |
| Volumen: | 28 |
| Number: | 11 |
| Pages: | 1359-1362 |
| Country: | México |
| Document type: | Nota breve o noticia |
| Approach: | Divulgación |
| Disciplines: | Biología |
| Keyword: | Ecología, Aerosoles, Contaminación ambiental |
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