M.V. Akinin, N.V. Akinina, A.V. Akinina, V.A. Balakin, S.A. Baturkin, I.A. Bochkov, A.A. Litvinov, I.V. Siginov, A.A. Skuntsev and I.S. Soldatenko
Journal of Engineering and Applied Sciences 11 ( 13 ): 2881 - 2884 , 2016