The ferroelectric phase transition in (CH3)4NCdBr3 (TMCB) studied by means of group theory, Raman scattering and calorimetry G. Aguirre-Zamalloa, J. M. Igartua, M. Couzi and A. Lopez-Echarri J. Phys. I France, 4 8 (1994) 1237-1257 DOI: 10.1051/jp1:1994251