Charge transfer in atom-surface collisions. On the validity of the semi-classical approximation Back to all publications Publication date 1 January 1986 Reference J.J.C. Geerlings, J.H. Los, J.P. Gauyacq and N.M. Temme, Charge transfer in atom-surface collisions. On the validity of the semi-classical approximation, Surf. Sci. 172, 257-268 (1986)