1. A. Catalano, V. Dalal, W. E. Devarey, E. A. Fagen, R. B. Hall, J. V. Masi, J. D. Meakin, G. Warfield, N. Converswejeth and A. M. Barnett, Proceedings of 13th IEEE Photovoltaic Specialists Conference, 1978, Washington, DC, p. 288.
2. A. Catalano V. Dalal, Proceedings of the International Conference on Photovoltaic Solar Energy, Luxemburg, 1977 (Reidel, Dordrecht, 1977) p. 644.
3. T. L. Chu, S. Chu, K. Murthy and E. D. Stokes, J. Appl. Phys.
54 (1983) 2063.
4. J. M. Pawlikowski, Solid State Electronics
23 (1980) 755.
5. Madhuri Salvi, V. Samuel and V. J. Rao, Proceedings of the Symposium on Photovoltaic Materials and Devices, New Delhi, May 10–11, 1984, p. 89.