1. J. Yang, A. Banerjee, S. Sugiyama, S. Guha, Proceedings of the second world Conference on Photovoltaic Solar Energy Conversion, Vienna, Austria, 6–10 July 1998.
2. J. Yang, A. Banerjee, S. Guha, in: Proceedings of the NREL/SNL Photovoltaic Program Review Meeting, Lakewood, Colorado. 18–22 Nov. 1996.
3. Amorphous Silicon Alloy Photovoltaic Technology - from R&D to Production
4. M. Izu, X. Deng, A. Krisko, K. Whelan, R. Young, H.C. Ovshinsky, K.L. Narasimhan, S.R. Ovshinsky, 23rd IEEE PVSC, (1993) p. 919.
5. E.A. DeMeo, Proceedings of the 10th EC Photovoltaic Solar Energy Conference, 1991, p. 1269.