1. V. M. Belous, V. E. Mandel’, A. Yu. Popov, and A. V. Tyurin, Opt. Spektrosk. 75(1), 105 (1994) [Opt. Spectrosc. 75, 63 (1994)].
2. V. E. Mandel’, A. Yu. Popov, E. V. Popova, and A. V. Tyurin, Opt. Spektrosk. 76(3), 457 (1995).
3. V. M. Belous, V. E. Mandel’, A. Yu. Popov, and A. V. Tyurin, Opt. Spektrosk. 87(2), 327 (1999) [Opt. Spectrosc. 87, 305 (1999)].
4. A. Yu. Popov, W. M. Belous, and Yu. B. Shugailo, Proc. SPIE, Nos. 3904–3922, 195 (1999).
5. A. Yu. Popov, A. V. Tyurin, and D. A. Vladimirov, Vestn. Cherkassk. Univ., Ser. Fiz., Mat. Nauki, No. 53, 122 (2003).