MAGNETIC AFTEREFFECT AND MÖSSBAUER SPECTROSCOPY IN AMORPHOUS Fe80B20 RIBBONS PREPARED WITH DIFFERENT QUENCHING RATES O. Donzelli, G. Fratucello, F. Ronconi, P. Allia, F. Vinai et A. Vera J. Phys. Colloques, 49 C8 (1988) C8-1319-C8-1320 DOI: 10.1051/jphyscol:19888602