In-situ multianalytical methodology to evaluate the conservation state of the entrance arch of La Galea Fortress (Getxo, north of Spain)

1. Morillas, H.
2. García-Galan, J.
3. Maguregui, M.
4. García-Florentino, C.
5. Marcaida, I.
6. Carrero, J.A.
7. Madariaga, J.M.