Energy spectrum of binary graphite intercalation compound acceptor-acceptor type C12FeCl3(ICl)0.75 V. A. Kulbachinskii, S. G. Ionov, S. A. Lapin et V. V. Avdeev J. Phys. I France, 2 10 (1992) 1941-1948 DOI: 10.1051/jp1:1992257