Sánchez de Rojas, M.I., García, N. and Frías, M. 1995. Repair products utilization: Suitability to stone materials and effectiveness control through time. Materiales de Construcción. 45, 239 (Sep. 1995), 5–19. DOI:https://doi.org/10.3989/mc.1995.v45.i239.550.