MÖSSBAUER SPECTROSCOPY OF DIFFERENT INTERSTITIAL COMPOUNDS AND SOLID SOLUTIONS CONTAINING 57Fe J. Foct, J.P. Senateur, J .M. Dubois and G. Le Caer J. Phys. Colloques, 40 C2 (1979) C2-647-C2-649 DOI: 10.1051/jphyscol:19792225