Potential of sub-THz-wave generation in Li2B4O7 nonlinear crystal at room and cryogenic temperatures / D. M. Ezhov, S. Turgeneva, N. A. Nikolaev [et al.] // Crystals. 2021. Vol. 11, № 11. P. 1321 (1-9). URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:000902703