KINETICS OF THE FORMATION OF AMORPHOUS Nd-Fe-B PARTICLES BY CHEMICAL REDUCTION M.A. LÓPEZ QUINTELA, J. RIVAS, I. WINTER and W. KNOCHE J. Phys. Colloques, 51 C4 (1990) C4-299-C4-305 DOI: 10.1051/jphyscol:1990437