1. J. Schou, in Physical Processes of the Interaction of Fusion Plasmas with Solids, Chap. ??, ed. by W.O. Hofer and J. Roth (Academic, New York, 1996)
2. K. Töglhofer, F. Aumayr, H.P. Winter, Surf. Sci. 281, 1430 (1993)
3. D. Hasselkamp, H. Rothard, K.-O. Groeneveld, J. Kemmler, P. Varga, H. Winter, Particle Induced Electron Emission II (Springer, Berlin Heidelberg New York, 1992)
4. R.A. Baragiola (ed.), Ionization of Solids by Heavy Particles (Plenum, New York, 1993)
5. R.A. Baragiola, in Low Energy Ion-Surface Interactions, Chap. ??, ed. by J.W. Rabalais (Wiley, New York, 1994)