by Fridman, Aleksei M, Alperovich, Leonid S, Shemer, L, Pustil'nik, Lev A, Shtivelman, D, Marchuk, An G, Liberzon, D
Published in Physics Uspekhi (15.11.2010)

by Alperovich, L., Morozov, E., Hayakawa, M., Hattori, K.
Published in Physics and chemistry of the earth. Parts A/B/C (2006)

by Aburjania, G.D., Alperovich, L.S., Khantadze, A.G., Kharshiladze, O.A.
Published in Physics and chemistry of the earth. Parts A/B/C (2006)