| Publication Type: | Journal Article |
| Year of Publication: | 1968 |
| Authors: | O. F. Geyer |
| Journal: | Boletín de Geología de la Universidad Industrial de Santander |
| Volume: | 24 |
| Pagination: | 9–22 |
| Keywords: | BL, TIP |
| Publication Type: | Journal Article |
| Year of Publication: | 1968 |
| Authors: | O. F. Geyer |
| Journal: | Boletín de Geología de la Universidad Industrial de Santander |
| Volume: | 24 |
| Pagination: | 9–22 |
| Keywords: | BL, TIP |