1. M.A. Green, ‘High Efficiency Silicon Solar Cells’, Trans. Tech. Publications, Switzerland, 1987.
2. M.A. Green et alia, Conf. Record, 18th IEEE Photovoltaic Specialists Conf., Las Vegas, Oct. 1985, P. 39.
3. R.A. Sinton, Y. Kwark, J.Y. Gan and R.M. Swanson, ‘27.5% Si Concentrator Cells’, IEEE Electron Device Letters, Oct. 1986.
4. Late News Developments, Photovoltaic Insider’s Report, May 2, 1986.
5. ARCO Solar News, Autumn 1985, p. 14.