S. V.  Awate, Jacob, N. E., Deshpande, S. S., Gaydhankar, T. R., and Belhekar, A. A., ?Synthesis, characterization and photo catalytic degradation of aqueous eosin over Cr containing Ti/MCM-41 and SiO2-TiO2 catalysts using visible light?, Journal of Molecular Catalysis A - Chemical, vol. 226, no. 2, pp. 149-154, 2005.