Magnetic Phase Transformation in the RE(Mn0.5B0.5)O3 Perovskites (RE is a Rare Earth Ion, B-Ni, Co) I.O. Troyanchuk, H. Szymczak, N.V. Samsonenko et A. Nabialek J. Phys. IV France, 07 C1 (1997) C1-357-C1-358 DOI: 10.1051/jp4:19971145