Possibilities of monitoring the polymerization process of silicon-based water repellents and consolidants in stones through infrared and Raman spectroscopy - Domingo, Concepcion; de Buergo, Monica Alvarez; Sanchez-Cortes, Santiago; Fort, Rafael; Garcia-Ramos, Jose V.; Gomez-Heras, Miguel; (Progress In Organic Coatings, 2008)