The origin, typology, spatial distribution and detrimental effects of the sinkholes developed in the alluvial evaporite karst of the Ebro River valley downstream of Zaragoza city (NE Spain)

1. Gutiérrez, F.
2. Galve, J.P.
3. Guerrero, J.
4. Lucha, P.
5. Cendrero, A.
6. Remondo, J.
7. Bonachea, J.
8. Gutiérrez, M.
9. Sánchez, J.A.