EXPERIMENTAL EVIDENCES OF MAGNETIC CLUSTERS IN AN AMORPHOUS Fe0.34Sn0.66 ALLOYS S. Nikolov, M. Piecuch, G. Marchal et Chr. Janot J. Phys. Colloques, 41 C8 (1980) C8-666-C8-669 DOI: 10.1051/jphyscol:19808167