Structural, magnetic and magnetocaloric properties of Pr0.6-xErxSr0.4MnO3 (x = 0.0, 0.1 and 0.2)R. M’nassri, W. Cheikhrouhou-Koubaa, N. Boudjada and A. CheikhrouhouEPJ Web of Conferences, 29 (2012) 00051DOI: https://doi.org/10.1051/epjconf/20122900051