Effect of biological colonization on ceramic roofing tiles by lichens and a combined laser and biocide procedure for its removal

1. Pena-Poza, J.
2. Ascaso, C.
3. Sanz, M.
4. Pérez-Ortega, S.
5. Oujja, M.
6. Wierzchos, J.
7. Souza-Egipsy, V.
8. Cañamares, M.V.
9. Urizal, M.
10. Castillejo, M.
11. García-Heras, M.