1. Department of Physics National Dong Hwa University Hualien Taiwan
2. P. N. Lebedev Physics Institute of Russian Academy of Sciences Moscow Russia
3. Institute of Biochemistry and Physiology of Plants and Microorganisms Russian Academy of Sciences Saratov Russia
4. Saratov State Vavilov Agrarian University Saratov Russia
5. Saratov State University Saratov Russia