Structural and electro-optical studies of the smectic polymorphism of a homologous series of chiral molecules Patrick Hamelin, Anne-Marie Levelut, Philippe Martinot-Lagarde, Claude Germain et Lionel LiebertJ. Phys. II France, 3 5 (1993) 681-696DOI: https://doi.org/10.1051/jp2:1993160