1. [11] Pagot B. , (private communication)
2. Hydrogen in crystalline semiconductors
3. [7] Metzger R.A. , Brown A.S. , Wilson R.G. , Liu T. , Stanchina W.E. , Nguyen L.D. , Smitz A.E. , McGray L.G. and Henige J.A. , Proceeding of the MRS fall meeting 1991, Boston USA.
4. [6] Bardeleben H.J. Von , Hirtz J.P. Garcia J.Ch. , Manaresh M.O. , Stutz C.E. and Evans K.R. , Proceeding of the MRS fall meeting 1991, Boston USA.