IDENTIFICATION OF FLUCTUATING SUSCEPTIBILITY COMPONENTS IN Rb2CrCl4 : A QUASI-2-DIMENSIONAL EASY PLANE FERROMAGNET S. T. Bramwell, M. T. Hutchings, J. Norman, R. Pynn et P. Day J. Phys. Colloques, 49 C8 (1988) C8-1435-C8-1436 DOI: 10.1051/jphyscol:19888658