INFLUENCE OF NEIGHBOURING CHROMIUM ATOMS ON HYPERFINE FIELDS AT 57Fe NUCLEI AND ISOMER SHIFTS IN Fe-Cr ALLOYS S.M. DUBIEL et K. KROP J. Phys. Colloques, 35 C6 (1974) C6-459-C6-464 DOI: 10.1051/jphyscol:1974695