1. R.M.A. Azzam and N.M. Bashara,Ellipsometry and Polarized Light, North-Holland, Amsterdam (1977).
2. R.F. Spanier,Industrial Research 17, (9) 73 (1975).
3. R.J. Kutko,Solid State Technol. 21, (2), 43 (1978).
4. E.D. Palik, ed.,Handbook of Optical Constants of Solids, Academic Press, Orlando (1985).
5. E.D. Palik, ed.,Handbook of Optical Constants of Solids II, Academic Press, Orlando (1991).