Compare raman study of the phase transitions in K2ZnCl4 and Rb2ZnCl4, Rb2ZnBr4, K2SeO4 M. Quilichini, J.P. Mathieu, M. Le Postollec et N. ToupryJ. Phys. France, 43 5 (1982) 787-793DOI: https://doi.org/10.1051/jphys:01982004305078700
