1. 22.8% efficient silicon solar cell
2. Proc. 10th European Photovoltaic Solar Energy Conference;Green,1991
3. 4th Int. Photovoltaic Science and Engineering Conf.;Blakers,1989
4. Proc. 1st World Conf. on Photovoltaic Energy Conversion;Hezel,1994
5. Proc. 13th European Photovoltaic Solar Energy Conf.;Hezel,1995