1. Impurity effects ina‐Si:H solar cells due to air, oxygen, nitrogen, phosphine, or monochlorosilane in the plasma
2. J. C. Knights, in: The Physics of Amorphous Silicon and its Applications, Vol. I, (Springer-Verlag, to be published).
3. O. Tsuji and T. Tatsuta, in: Proceedings of the 6th International Symposium on Plasma Chemistry, Vol. 3, eds. M. I. Boulons and R. J. Munz, pp. 782–786.
4. Proceedings of the Conference on Structure and Excitations in Amorphous Solids;Knights,1976