Effect of sol-gel method on structural and electron magnetic resonance properties of Pr0.6Sr0.4MnO3 manganiteR. Thaljaoui, W. Boujelben, M. Pękała, J. Szydłowska and A. CheikhrouhouEPJ Web of Conferences, 29 (2012) 00050DOI: https://doi.org/10.1051/epjconf/20122900050