Study of the La0.2235 Pr0.2235 Nd0.2235 Sr0.33 MnO3 ceramic by X ray diffraction and impedance spectroscopyF. I. H. Rhouma, A. Dhahri, N. Farhat, J. Dhahri and K. KhirouniEPJ Web of Conferences, 29 (2012) 00023DOI: https://doi.org/10.1051/epjconf/20122900023