1984

117. Shuvalov L.A., Gridnev S.A., Bondarenko V.V., Varikash V.M. Structural phase transitions in tallium trihydroselenate // All-Union Seminar “Phase transitions in ferroelectrics”, Moscow, MGU, June 21-22, 1984.
118. Gridnev S.A., Popov V.M., Pavlova N.G. Study of piezoelectric material stability in the region of low temperatures // 2-nd All-Union Conf. “Problems of manufacturing and application of ferroelectric and piezoelectric materials”, Moscow, MDNTP, October 1984.