The trapping of potassium atoms by a polycrystalline tungsten surface as a function of energy and angle of incidence Back to all publications Publication date 1 January 1976 Reference A. Hurkmans, E.G. Overbosch, D.R. Olander and J.H. Los, The trapping of potassium atoms by a polycrystalline tungsten surface as a function of energy and angle of incidence, Surf. Sci. 54, 154-168 (1976)