| Journal: | Boletín del Instituto de Geología. UNAM |
| Database: | PERIÓDICA |
| System number: | 000119344 |
| ISSN: | 0185-5530 |
| Authors: | Perrilliat Montoya, María del Carmen |
| Year: | 1978 |
| Number: | 101 |
| Pages: | 138-152 |
| Country: | México |
| Language: | Español |
| Document type: | Artículo |
| Approach: | Descriptivo |
| Disciplines: | Geociencias |
| Keyword: | Geología, Mollusca, México, Guatemala |
| Keyword: | Earth sciences, Geology, Mollusca, Mexico, Guatemala |
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