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135. Gridnev S.A., Popov V.M., Shuvalov L.A. Peculiarities of low-frequency mechanism of dielectric losses in DTGSel // Fiz.Tverd.Tela, 1987, v. 29, N 7, p. 1994-1998.
136. Shuvalov L.A., Gridnev S.A., Prasolov B.N., Sannikov V.G., Bochkov O.E. Dielectric and mechanical properties of Rb₂ZnCl₄ in the vicinity of low temperature phase transition // Fiz.Tverd.Tela , 1987, v.29, N 7, p. 1999-2001.
137. Gridnev S.A., Ivanov O.N., Shuvalov L.A., Fedosyuk R.M. Dielectric properties of single crystal solid solutions of KDP-ADP system / In book: Ferroelectrics and Piezoelectrics. - Kalinin, 1987, p. 8-11.
138. Shuvalov L.A., Gridnev S.A., Prasolov B.N., Sannikov V.G. Low-frequency mechanical and dielectric properties of K₂ZnCl₄ e Rb₂ZnCl₄ crystals // Izv.AN SSSR, Ser.Fiz., 1987, v. 51, N12., p. 2229-2232.
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140. Gridnev S.A., Pavlova N.G. High-temperature piezoelectric sensors // Electronic Technique, Ser.5, -Radiocomponents, 1987, No 1(286), p.38.