Induced ferromagnetism and colossal magnetoresistance by Ir-doping in Pr1-xCaxMnO3 S. Hébert, A. Maignan, R. Frésard, M. Hervieu, R. Retoux, C. Martin and B. Raveau Eur. Phys. J. B, 24 1 (2001) 85-89 Published online: 15 November 2001 DOI: 10.1007/s100510170025