1. G. Gordillo: 5th International Solar Forum, Berlin 1984, p.760.
2. R.B. Hall, R.W. Birkmire, J.E. Phillips, J.D. Meaking: 15th IEEE Photov. Spec. Conf., Orlando 1981, p.777.
3. G. Gordillo: Solar Cells 14, 219 (1985).
4. G. Gordillo: PhD Dissertation (Univ. Stuttgart 1984).
5. F.A. Shirland: International Workshop on CdS Solar Cells (Univ. Delaware 1975) p.465.