MAGNETIC ORDER IN VERY DILUTED Y-Er ALLOYS R. Caudron, H. Bouchiat, P. J. Brown, P. Monod et J. L. TholenceJ. Phys. Colloques, 49 C8 (1988) C8-363-C8-364DOI: https://doi.org/10.1051/jphyscol:19888163