Levitskii, R. R.     Longitudinal and transverse dielectric, piezoelectric, elastic, dynamic, and thermal properties of the Rochelle salt NaKC4H4O6 · 4H2O [Текст] / R.R. Levitskii, I.R. Zachek, A.S. Vdovych, I.V. Stasyuk // The 36th conference of the middle european cooperation in statistical physics : progr. and abstr., 5-6 Apr. 2011, Lviv, Ukraine / Inst. for condensed matter physics, Ivan Franko nat. univ., Lviv polytechnic nat. univ. — Lviv, 2011. — P. 183.