1. H. Fischer and W. Pschunder, Proceedings of the tenth IEEE Photovoltaic Specialists Conference (IEEE, New York, 1973), p. 404.
2. J. Knoblochet al., Proceedings of the 13th European Photovoltaic Solar Energy Conference (Stephens, Bedford, 1995), p. 9.
3. J. Schmidt, A. G. Aberle, and R. Hezel, Proceedings of the 26th IEEE Photovoltaic Specialists Conference (IEEE, New York, 1997), p. 13.
4. Light-Induced Degradation in Crystalline Silicon Solar Cells
5. S. W. Glunz, S. Rein, W. Warta, J. Knobloch, and W. Wettling, Proceedings of the Second World Conference on Photovoltaic Solar Energy (European Commission, Ispra, Italy, 1998), p. 1343.