Integrating geomorphological mapping, trenching, InSAR and GPR for the identification and characterization of sinkholes: A review and application in the mantled evaporite karst of the Ebro Valley (NE Spain)

1. Gutiérrez, F.
2. Galve, J.P.
3. Lucha, P.
4. Castañeda, C.
5. Bonachea, J.
6. Guerrero, J.