Liu, X., Toyir, J., Ramírez de la Piscina, P., Homs, N. "Hydrogen production from methanol steam reforming over Al2O3– and ZrO2-modified CuOZnOGa2O3catalysts" International Journal of Hydrogen Energy 42, 19, pp. 13704 - 13711. 2017 DOI: 10.1016/j.ijhydene.2016.12.133