2006, Article / Letter to editor (Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms, vol. 246, iss. 1, (2006), pp. 96-100)
2011, Article in monograph or in proceedings (37th IEEE Photovoltair Specialist Conference, Washington State Convention Center, Seattle, Washington, June 19-24, 2011, pp. 002262-002267)
2005, Article in monograph or in proceedings (Palz, W. (ed.), 20th European Photovoltaic Solar Energy Conference, 6 – 10 June 2005, Barcelona, Spain, pp. 208-211)