Thermotropic phase transitions in the bidimensional compound (C10H21NH3)2Cucl4 Jin-Ho Choy, Jun-Kun Kang, Jung-Chul Park, Nguyen-Ba Chanh and M Rey-Lafon J. Chim. Phys., 90 (1993) 1829-1854 Published online: 29 May 2017 DOI: 10.1051/jcp/1993901829