Citation: Mishchuk, D. O.; V'yunov, O. I.; Ovchar, O. V.; Belous, A. G. (2004). Structural and dielectric properties of solid solutions of sodium niobate in lanthanum and neodymium niobates Note: La2/3-x Na3x Nb2O6 synthesized at 1350 deg C Note: x = .66, Na2Nb2O6. Inorganic Materials, 40, pp. 1324-1330.