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Palynology of Silurian and Devonian rocks in northwest Spain.
| Cramer, F.H. | |
| 1966a | |
| Instituto Geologico y Minero de Espania, Boletin, v.77, pp.225-286. | |
| Palynology of Silurian and Devonian rocks in northwest Spain. |
Cramer, F.H., 1966; Palynology of Silurian and Devonian rocks in northwest Spain. Instituto Geologico y Minero de Espania, Boletin, v.77, pp.225-286.