Kozlov Dmitrii N., Dr., General Physics Institute RAS, Moscow, Russia, E-mail: dnk@kapella.gpi.ru
Matvienko Gennady Grigoryevich, Doctor of Phys.-mat. Sciences, V.E. Zuev Institute of Atmospheric Optics SB RAS, Tomsk, Russia, E-mail: matvienko@iao.ru
Nadezhdinskii Alexander I., Prof., General Physics Institute RAS, Moscow, Russia, E-mail: nad@nsc.gpi.ru
Perevalov Valery I., Dr., V.E. Zuev Institute of Atmospheric Optics SB RAS, Tomsk, Russia, E-mail: vip@iao.ru