Heiland, W. Surface Science (OP), Max Planck Institute for Plasma Physics, Max Planck Society; Experimental Plasma Physics 2 (E2), Max Planck Institute for Plasma Physics, Max Planck Society;
Heiland, W. (1973). Some Aspects of Ion Scattering and Surface Analysis. Vakuum-Technik, Jg. 22, 6, 187-188.