VACANCY-CATION DISTRIBUTION IN NON STOICHIOMETRIC LAYERED IRON-TITANIUM CHALCOGENIDES G. A. Fatséas, J. L. Dormann et M. DanotJ. Phys. Colloques, 40 C2 (1979) C2-367-C2-372DOI: https://doi.org/10.1051/jphyscol:19792130