1. Němec, P. and Frumar, M., J. Opt. Adv. Mater., 2003, vol. 5, no. 5, p. 1047.
2. Burakov, V.S., Savastenko, N.A., and Tarasenko, N.V., J. Appl. Spectrosc., vol. 66, no. 1, p. 115.
3. Geyer, T.J. and Weimer, W.A., Appl. Spectrosc., 1990, vol. 44, no. 10, p. 1659.
4. Chuchman, M.P., Mesarosh, L.V., Laslov, G.E., and Shuaibov, A.K., Opt. Spectrosc., 2012, vol. 113, no. 6, p. 572.
5. Laslov, G., Chuchman, M., and Shuaibov, A., Program and Contents of the 25th Symposium on Plasma Physics and Technology, Prague, Czech Republic, June 18–21, 2012, Prague, 2012, p. 131.