1. D. Yu. Mokeev, Yu. S. Shubenin, Izv. Vyssh. Uchebn. Zaved. Fiz., No. 9/3, 19 (2008).
2. A. V. Tyazhev, D. Yu. Mokeev, and A. N. Zarubin, in: Proc. Intern. Siberian Conf. on Control and Communications (Sibcon 2009), The Tomsk IEEE Chapter & Student Branch Russia, Tomsk, 194–197 (2009).
3. D. L. Budnitskii, et. al., Russ. Phys. J., No. 8, 858 (1995).
4. S. S. Khludkov, O. P. Tolbanov, D. L. Budnitskii, Russ. Phys. J., No. 8, 768 (1998).
5. D. L. Budnitskii, V. A. Novikov, O. P. Tolbanov, I. A. Prudaev, Russ. Phys. J., No. 5, 531 (2008).