AC electric field induced flow and helix unwinding in focal conic texture of smectic C* liquid crystal B. Labroo, V. Razdan, D.S. Parmar et G. DurandJ. Physique Lett., 46 24 (1985) 1177-1181DOI: https://doi.org/10.1051/jphyslet:0198500460240117700
