1. PV News 2004; No. 2 and No. 3.
2. IEA. Report IEA-PVPS TI-12, 2003.
3. et al. Proceedings of the 12th Workshop on Crystalline Silicon Solar Cell Materials and Processes, 2002; 67.
4. et al. Proceedings of the 19th European Photovoltaic Solar Energy Conference, 2004; 3662.
5. et al. Proceedings of the 19th European Photovoltaic Solar Energy Conference, 2004; 1567.