SYNTHESIS AND INVESTIGATION OF RE(III) CATION SUBSTITUTED SBN AND SBT CERAMICS СтатьяFortalnova E.A., Safronenko M.G., Smagin I.A., Politova E.D., Kurasova M.N., Mosunov A.V.Ferroelectrics. Том 511. 2017. С. 62-68