MÖSSBAUER STUDY ON INTERCALATION COMPOUNDS OF GRAPHITE WITH FeCl3-x K. Ohhashi, T. Shinjo, T. Takada and I. Tsujikawa J. Phys. Colloques, 40 C2 (1979) C2-269-C2-271 DOI: 10.1051/jphyscol:1979295