MÖSSBAUER STUDIES ON SOME π-CYCLOPENTADIENYLIRON CARBONYL COMPLEXES T. SAWAI, J. P. MARTIN, I. S. BUTLER et D. SIMKIN J. Phys. Colloques, 35 C6 (1974) C6-247-C6-250 DOI: 10.1051/jphyscol:1974632