Geisler, H., Odörfer, G., Illing, G., Jaeger, R., Freund, H.-J., Watson, G., et al. (1990). NO2 adsorption on Ni(100): A comparison of NO2 with CO2 adsorption. Surface Science, 234(3), 237-250. doi:10.1016/0039-6028(90)90557-O.