A STUDY OF THE HYPERFINE FIELD OF CESIUM IN NICKEL AND IRON F. NAMAVAR, M. ROTS, H. PATTYN, G. DUMONT et R. COUSSEMENT J. Phys. Colloques, 35 C1 (1974) C1-7-C1-8 DOI: 10.1051/jphyscol:1974104