The Curie-Weiss behavior of heat capacity and dielectric constant in the incommensurate phase of H. Y. Ahn, S. Y. Jeong, Y. H. Jeong, Y. C. Cho and Y. H. HwangEurophys. Lett., 48 6 (1999) 667-671DOI: https://doi.org/10.1209/epl/i1999-00536-9