Thum, F. Surface Science (OP), Max Planck Institute for Plasma Physics, Max Planck Society; Experimental Plasma Physics 1 (E1), Max Planck Institute for Plasma Physics, Max Planck Society;
Thum, F., & Hofer, W. (n.d.). Ion-Induced Secondary Electron Emission by Heterogeneous Cluster Ions. In Symposium on Atomic and Surface Physics. SASP '80 (pp. 19-21).