1. Ericksen's bar and modeling of the smectic A-nematic phase transition;Calderer,1977
2. The Physics of Liquid Crystals;DE Gennes,1993
3. Revisiting the focal conic structures in smectic A;Kinderlehrer,1996
4. Energetics of focal conics of smectic phase;Kleman;J. Phys.,1977