1. J. Belovickis, Dr. M. Ivanov, Š. Svirskas, Dr. V. Samulionis, Prof. J. Banys; Faculty of Physics, Vilnius University; Sauletekio 9 LT-10222 Vilnius Lithuania
2. Prof. A. V. Solnyshkin, Prof. S. A. Gavrilov, K. N. Nekludov, Dr. M. V. Silibin; National Research University of Electronic Technology; Bld. 1, Shokin Square, Zelenograd 124498 Moscow Russia
3. Prof. A. V. Solnyshkin; Tver State University; 170100 Tver Russia
4. Prof. V. V. Shvartsman; Institute for Materials Science and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen; Universitätsstr. 15 45141 Essen Germany