1. Dark and light lichen colourations and basalt weathering in a cold environment: preliminary results;Arocena;Polar Geography,2004
2. Sandstone weathering processes damaging prehistoric rock paintings at the Albarracin Cultural Park, NE Spain;Benito;Environmental Geology,1993
3. Weathering: An Introduction to Scientific Principles;Bland,1998
4. La Conservation de L'Art Des Caverns et des Abris. Section Francaise de L'Institut International de Conservation, Champs sur Marne;Brunet,1990
5. Paint: a surface modifier;Bullet;Physics in Technology,1983