PHASE TRANSITIONS IN ORDERED AND DISORDERED FERRO- AND FERRIMAGNETS M. Fähnle, P. Braun, R. Reisser, M. Seeger et H. KronmüllerJ. Phys. Colloques, 49 C8 (1988) C8-1201-C8-1202DOI: https://doi.org/10.1051/jphyscol:19888545