A STUDY OF THE MIXED SYSTEM (Fex, Mn1-x) WO4USING NEUTRON DIFFRACTION AND MÖSSBAUER SPECTROSCOPY Ch. KLEIN and R. GELLER J. Phys. Colloques, 35 C6 (1974) C6-589-C6-593 DOI: 10.1051/jphyscol:19746126