1. S.R. Kurtz, D. Myers, J.M. Olson, Procedings of the 26th IEEE Photovoltaic Specialists Conference, 1998, p. 875.
2. Over 30% efficient InGaP/GaAs tandem solar cells
3. T. Takamoto, M. Yamaguchi, S.J. Taylor, E. Ikeda, T. Agui, H. Kurita, Proceedings of the 26th IEEE Photovoltaic Specialists Conference, 1998, p. 887.