Exchange Bias Effect in La1-xAgxMnO3 Nanopowders M. Mihalik, M. Antoňák, K. Csach, M. Fitta, M. Mihalik jr., M. Vavra and M. Zentková EPJ Web of Conferences, 40 (2013) 15006 Published online: 14 January 2013 DOI: 10.1051/epjconf/20134015006