[1]
V. Y. Stadnyk, O. Z. Kashuba, R. S. Brezvin, I. M. Matviishyn, and M. Y. Rudysh, “Birefringence Properties of Uniaxially Compressed K2SO4 Crystals”, Ukr. J. Phys., vol. 58, no. 9, p. 853, Oct. 2018.