In situ analysis with portable Raman and ED-XRF spectrometers for the diagnosis of the formation of efflorescence on walls and wall paintings of the Insula IX 3 (Pompeii, Italy)

1. Madariaga, J.M.
2. Maguregui, M.
3. De Vallejuelo, S.F.-O.
4. Knuutinen, U.
5. Castro, K.
6. Martinez-Arkarazo, I.
7. Giakoumaki, A.
8. Pitarch, A.