Magnetic ordering in Dy1-xCaxBaCo2O5.5 for x = 0.0 and 0.1 J.-E. Jørgensen and L. Keller Eur. Phys. J. B, 66 4 (2008) 445-453 Published online: 12 December 2008 DOI: 10.1140/epjb/e2008-00455-7