Lopez, N.; Prades, J.D.; Hernandez Ramirez, F.; Morante, J.R.; Pan, J.; Mathur, S. "Bidimensional versus tridimensional oxygen vacancy diffusion in SnO2-x under different gas environments" Physical Chemistry Chemical Physics 12, 10, pp. 2401 - 2406. 2010 DOI: 10.1039/b921213b