OUEDRAOGO, A.; PALM, K.; CHANUSSOT, G. Ferroelectric Phase Transition in Cu-doped BaTiO3 Crystals. Journal of Scientific Research, [S. l.], v. 1, n. 2, p. 192–199, 2009. DOI: 10.3329/jsr.v1i2.1876. Disponível em: https://banglajol.info/index.php/JSR/article/view/1876. Acesso em: 18 may. 2022.