PACS numbers

83.80.Xz Liquid crystals: nematic, cholesteric, smectic, discotic, etc.

V.P. Romanov, S.V. Ul’yanov “Dynamic properties of smectic films” Phys. Usp. 46 915–935 (2003)
61.30.Cz, 68.15.+e, 83.70.Jr, 83.80.Xz (all)