AMORPHOUS RARE EARTH-TRANSITION METAL FILMS FOR MAGNETO-OPTICAL STORAGE H. Heitmann, M. Hartmann, M. Rosenkranz et H. J. TolleJ. Phys. Colloques, 46 C6 (1985) C6-9-C6-18DOI: https://doi.org/10.1051/jphyscol:1985602