SITE OCCUPANCY OF Fe ATOM IN RFe4+xAl8-x (R = Gd, Er, Y) AND THEIR MAGNETIC PROPERTIES T. Kamimori, W. L. Liu, H. Kadomatsu, M. Goto et H. Fujiwara J. Phys. Colloques, 49 C8 (1988) C8-381-C8-382 DOI: 10.1051/jphyscol:19888172