S. P. Ramírez, J. A. Wang, M. A. Valenzuela, L. F. Chen, and A. Dalai, “CuO@TiO2 and NiO@TiO2 core-shell catalysts for hydrogen production from the photocatalytic reforming of glycerol aqueous solution”, JART, vol. 18, no. 6, pp. 390–409, Dec. 2020.