Calorimetric study of phase transitions in the liquid crystal butyloxybenzylidene octylaniline (4O.8) K.J. Lushington, G.B. Kasting et C.W. GarlandJ. Physique Lett., 41 17 (1980) 419-422DOI: https://doi.org/10.1051/jphyslet:019800041017041900