Dielectric study of SA1, SA2 and SÃ phases in liquid crystals of cyano compounds C. Druon, J.M. Wacrenier, F. Hardouin, Nguyen Huu Tinh et H. GasparouxJ. Phys. France, 44 10 (1983) 1195-1200DOI: https://doi.org/10.1051/jphys:0198300440100119500