An investigation of amorphous Gd-Ni alloys by Mössbauer spectroscopy G. Czjzek, J. Fink, F. Götz, H. Schmidt, J. P. Rebouillat, A. Liénard et J. M.D. CoeyJ. Phys. Colloques, 40 C5 (1979) C5-245DOI: https://doi.org/10.1051/jphyscol:1979589