1. Sobolev
Institute of Geology and Mineralogy, Siberian Branch of Russian Academy of Sciences, Koptyug ave 3, Novosibirsk, 630090, Russia
2. Novosibirsk State University, Novosibirsk, 630090, Russia
3. Institute
of Automation and Electrometry, Siberian Branch of Russian Academy of Sciences, Koptyug ave 1, Novosibirsk, 630090, Russia