E. Rakhman’ko and Y. Matveiychuk, “EFFECT OF STERIC ACCESSIBILITY OF EXCHANGE CENTER OF HIGHER QUATERNARY AMMONIUM SALTS AND PLASTICIZER NATURE ON CHARACTERISTICS OF ELECTRODES, REVERSIBLE TO DOUBLE-CHARGED ANIONS”, IVUZKKT, vol. 59, no. 1, pp. 9-13, Jun. 2018.