MAGNETIC INTERACTION AND CRYSTAL FIELD IN R2Fe14C AND RELATED COMPOUNDS P. C. M. Gubbens, A. M. van der Kraan et K. H. J. Buschow J. Phys. Colloques, 49 C8 (1988) C8-591-C8-592 DOI: 10.1051/jphyscol:19888269