Fast Neutron Irradiated Magnetite and Haematite Investigated by Neutron Diffraction S. Meillon, F. Dunstetter, H. Pascard et J. Rodriguez-CarvajalJ. Phys. IV France, 07 C1 (1997) C1-607-C1-608DOI: https://doi.org/10.1051/jp4:19971251