Use of in situ and confocal Raman spectroscopy to study the nature and distribution of carotenoids in brown patinas from a deteriorated wall painting in Marcus Lucretius House (Pompeii)

1. Maguregui, M.
2. Knuutinen, U.
3. Trebolazabala, J.
4. Morillas, H.
5. Castro, K.
6. Martinez-Arkarazo, I.
7. Madariaga, J.M.