Steltenpohl, A. Surface Science (OP), Max Planck Institute for Plasma Physics, Max Planck Society;
Steltenpohl, A., & Memmel, N. (1999). Adsorption site of oxygen on Pd(111). Surface Science, 443(1-2), 13-18. doi:10.1016/S0039-6028(99)01009-2.