1. N. L. Chumakova, I. A. Krinberg, and E. V. Smirnova, Zh. Prikl. Spektrosk.,39, No. 6, 899?905 (1983).
2. E. V. Smirnova, I. A. Krinberg, and N. L. Chumakova, 19th All-Union Congress on Spectroscopy: Abstracts of Reports [in Russian], Tomsk (1983), Part 5, pp. 49?51.
3. N. L. Lontsikh, E. V. Smirnova, and Ya. D. Raikhbaum, Applied Spectroscopy [in Russian], Moscow (1977), pp. 216?218.
4. N. L. Lontsikh, E. V. Smirnova, and Ya. D. Raikhbaum, Zavod. Lab., No. 12, 1102?1105 (1979).
5. V. D. Kurochkin, Zh. Prikl. Spektrosk.,37, No. 2, 200?205 (1982).