S. V.  Awate, Sahu, R. K., Kadgaonkar, M. D., Kumar, R., and Gupta, N. M., ?Photocatalytic mineralization of benzene over gold containing titania nanotubes: role of adsorbed water and nanosize gold crystallites?, Catalysis Today, vol. 141, no. 1-2, pp. 144-151, 2009.