Biomagnetostratigraphic analysis of the Gorrondatxe section (Basque Country, Western Pyrenees): Its significance for the definition of the Ypresian/Lutetian boundary stratotype

1. Bernaola, G.
2. Orue-Etxebarria, X.
3. Payros, A.
4. Dinarès-Turell, J.
5. Tosquella, J.
6. Apellaniz, E.
7. Caballero, F.