Aportaciones a la bioestratigrafia, basada en fauna de ammonites de la secuencia del Jurisaco superior (Kimmeridgiano-Tithoniano) del area de Mazapil, Zacatecas, Mexico
| Main Author: | |
|---|---|
| Other Authors: | , |
| Format: | Tesis de doctorado |
| Published: |
MX
1991
|
| Subjects: | |
| Online Access: | https://hdl.handle.net/20.500.14330/TES01000169633 http://132.248.9.195/ppt1997/0169633/Index.html |
| Description not available. |