Fe57 MÖSSBAUER SPECTROSCOPY ON TITANIUM-RICH IRON TITANATES Fe3-xTixO4 (x = 1., 0.95, 0.9) R. Vanleerberghe, E. de Grave, R.E. Vandenberghe et G.G. Robbrecht J. Phys. Colloques, 41 C1 (1980) C1-179-C1-180 DOI: 10.1051/jphyscol:1980151