Author

Fernando Etayo-Serna

2 books found

Placeholder cover for Estudios geológicos del Valle Superior del Magdalena

Estudios geológicos del Valle Superior del Magdalena

Fernando Etayo-Serna · First published 1994

Placeholder cover for Zonation of the Cretaceous of central Colombia by ammonites

Zonation of the Cretaceous of central Colombia by ammonites

Fernando Etayo-Serna · First published 1979