MÖSSBAUER SPECTRA IN THE PRESENCE OF ELECTRONIC RELAXATION IN A QUADRUPLET Γ8 OF RARE EARTHS C. MEYER, F. HARTMANN-BOUTRON et D. SPANJAARD J. Phys. Colloques, 37 C6 (1976) C6-79-C6-84 DOI: 10.1051/jphyscol:1976619