EVALUATION OF THE 4f-5d EXCHANGE INTERACTIONS FROM BULK MAGNETIC PROPERTIES IN FERROMAGNETIC Gd INTERMETALLICS E. Belorizky, J. P. Gavigan, D. Givord et H. S. LiJ. Phys. Colloques, 49 C8 (1988) C8-411-C8-412DOI: https://doi.org/10.1051/jphyscol:19888187