1. J.S.C. Prentice, Ph.D. Thesis, Department of Physics, Rand Afrikaans University, 1999.
2. J.D. Saunderson, Ph.D. Thesis, Department of Physics, Rand Afrikaans University, 1997.
3. Proceedings of the 12th European Photovoltaic Solar Energy Conference;Stiebig,1994
4. Analysis of TCO/p(a-Si:C:H) heterojunction and its influence on p-i-n a-Si:H solar cell performance
5. Proceedings of the 13th European Photovoltaic Solar Energy Conference;Ray,1995