1. V. M. Krasnov, Ya. V. Drobzheva, N. M. Salikhov, B. T. Zhumabaev, and V. B. Lazurkina, Acoust. Phys. 60 (2), 155 (2014).
2. V. A. An, I. P. Bashilov, P. B. Kaazik, and V. A. Konovalov, Vest. Nats. Yad. Tsentr. Resp. Kaz., No. 3, 62 (2010).
3. V. A. An, P. B. Kaazik, and T. V. Chelyubeeva, Vest. Nats. Yad. Tsentr. Resp. Kaz., No. 3, 30 (2016).
4. V. A. An, V. M. Ovtchinnikov, P. B. Kaazik, V. V. Adushkin, I. N. Sokolova, I. B. Aleschenko, N. N. Mikhailova, W.-Y. Kim, P. G. Richards, H. J. Patton, W. S. Phillips, G. Randall, and D. Baker, GeoResJ, No. 6, 141 (2015). https://doi.org/10.1016/j.grj.2015.02.014
5. V. S. Bocharov, S. A. Zelentsov, and V. N. Mikhailov, At. Energ. 67 (3), 210 (1989). http://elib.biblioatom.ru/text/atomnaya-energiya_t67-3_1989/go,54/. Cited 13.04.2020.