1. Proc. 15th Photovoltaic Specialists' Conf.,1981
2. Proc. 14th Photovoltaic Specialists' Conf.,1980
3. Proc. 13th Photovoltaic Specialists' Conf.,1978
4. Multigap solar cell requirements and the performance of AlGaAs and Si cells in concentrated sunlight;Moon,1978
5. J. Chan, Manufacturing cost analysis of 1980 vintage photovoltaic arrays, SAND Rep. 81-7010, to be published (Sandia National Laboratories) (submitted by General Electric under Sandia Contract 62-6547).