1. Annual Progress Report: Photovoltaics FY 1986. Technical Report DOE/CH/10093-H3, U.S. Department of Energy, 1987
2. EPRI/CRIEPI Workshop Memorandum, 1986
3. Leading Edge: Solar-to-Electric Conversion Efficiency of New Concentrator Cell Reaches Record 31%. PV Insider’s Report, Curry, R. (ed.), 7 (1988)
4. Shaped Crystal Growth 1986. J. Crystal Growth, 82 (1987)
5. Switching Networks, Technology and Components (in German). Fürth (D): Siemens AG, 1985