EVOLUTION OF DONOR-ACCEPTOR CENTERS ON THE SURFACE OF BaTiO3 - CaSnO3 FERROELECTRIC MATERIALS IN THE COURSE OF THEIR DISPERSION. (2011). Kondensirovannye Sredy I Mezhfaznye Granitsy = Condensed Matter and Interphases, 13(1), 56-62. https://journals.vsu.ru/kcmf/article/view/1021