1. 24·5% Efficiency silicon PERT cells on MCZ substrates and 24·7% efficiency PERL cells on FZ substrates
2. P.P. Altermatt, J.O. Schumacher, A. Cuevas, S.W. Glunz, R.R. King, G. Heiser, A. Schenk,Proceedings of the 16th European Photovoltaic Solar Energy Conference, Glasgow/UK(2000), pp. 102–105
3. 3D modelling of a reverse cell made with improved multicrystalline silicon wafers
4. H.S. Rauschenbach,Solar Cell Array Design Handbook. The Principles and Technology of Photovoltaic Energy Conversion(Van Nostrand Reinhold Ltd., New York, 1980)