A RAMAN STUDY OF THE STRUCTURAL PHASE TRANSITION IN DISORDERED KMn0.85Ni0.15F3 D. J. Lockwood et G. J. CoombsJ. Phys. Colloques, 42 C6 (1981) C6-761-C6-763DOI: https://doi.org/10.1051/jphyscol:19816224
