MOESSBAUER AND MAGNETIC MEASUREMENTS OF RARE EARTH-IRON-TRANSITION METAL COMPOUNDS WITH ThMn12 TYPE STRUCTURE C. Christides, A. Kostikas, D. Niarchos et A. Simopoulos J. Phys. Colloques, 49 C8 (1988) C8-539-C8-540 DOI: 10.1051/jphyscol:19888245