1. The Physics of Hydrogenated Amorphous Silicon, ed, J. Joanopoulos and G. Lucovsky, (Springer-Verlag, 1984) and references therein.
2. Hydrogenated Amorphous Silicon I and II, ed. J. Pankove, (Academic Press, 1984) and references therein.
3. Proceedings of the 10th International Conference on Amorphous and Liquid Semiconductors, ed.
4. G. A. N. Connell and J. Pawlik, Phys. Rev. B, 13, 787, (1976).
5. A. J. Lewis, Phys. Rev. B, 14, 658 (1976).