N. Hadi, T. Lamcharfi, F. Abdi, N. Gouitaa, N. Echatoui, and M. Zouhairi, “Structural, Dielectric and Electrical Properties of (1-x)CaCu3Ti4O12−xBaTiO3 Ceramics”, ajc, vol. 29, no. 8, pp. 1811–1816, Jun. 2017.