Preparation and magnetic properties of YbFe2, NdFe2, PrFe2 C. Meyer, F. Hartmann-Boutron, Y. Gros, B. Srour et J. J. CapponiJ. Phys. Colloques, 40 C5 (1979) C5-191-C5-193DOI: https://doi.org/10.1051/jphyscol:1979570