Levitskii, R. R.     Dielectric, piezoelectric, elastic, dynamic, and thermal properties of Kh2Po4 family crystals [Текст] / R.R. Levitskii, I.R. Zachek, A.P. Moina, A.S. Vdovych // IX Polish-Ukrainian meeting and XXIX International School on ferroelectrics physics : progr. and abstr., Krakow, Poland, Sept., 14-18, 2008 / Inst. of Experimental Physics, Univ. of Wroclaw, Inst. of Physics and Informatics, Ped. Univ. of Krakow. — Krakow, 2008. — P. 25.