1. Proc. 12th Photovoltaic Specialists' Conf.;Rothwarf,1976
2. Proc. 14th Photovoltaic Specialists' Conf.;Koliwad,1980
3. Sintering and Related Phenomena;Kuczynski,1973
4. Thin film heterojunction solar cells;Romeo;Mater. Chem.,1979
5. Effect of grain boundaries in silicon on minority‐carrier diffusion length and solar‐cell efficiency