Terahertz Electro-Optic Sampling in Crystals with High Natural Birefringence I.E. Ilyakov, G.Kh. Kitaeva, B.V. Shishkin and R.A. Akhmedzhanov EPJ Web Conf., 195 (2018) 05004 Published online: 23 November 2018 DOI: 10.1051/epjconf/201819505004