A new fossil resin with biological inclusions in lower cretaceous deposits from Alava (Northern Spain, Basque-Cantabrian Basin)

1. Alonzo, J.
2. Arillo, A.
3. Barrón, E.
4. Corral, J.C.
5. Grimalt, J.
6. López, J.F.
7. López, R.
8. Martínez-Delclòs, X.
9. Ortuño, V.
10. Peñalver, E.
11. Trincão, P.R.