Vertical repetition of structures and caves pattern in the National Park of Ordesa and Monte Perdido (N of Spain) and its relationships with the functioning of recharge in the karstic system

1. Ramón, A.G.
2. Jódar, J.
3. Samsó, J.M.
4. Rosillo, S.M.
5. Heredia, J.
6. Zabaleta, A.
7. Antigüedad, I.
8. Custodio, E.
9. Lambán, L.J.