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. Li J. Phys. Colloques, 49 C8 (1988) C8-411-C8-412 DOI: 10.1051/jphyscol:19888187