Adsorption and co-adsorption of CH3 and H on flat and defective nickel (111) surfaces M. F. Haroun, P. S. Moussounda, P. Légaré and J.-C. Parlebas Eur. Phys. J. B, 78 3 (2010) 353-358 Published online: 22 November 2010 DOI: 10.1140/epjb/e2010-10680-0