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Temperature Dependence of Critical Sample Thickness for Spontaneous Cholesteric-Nematic Phase Transition Between Surfaces with Homeotropic AnchoringDr. S. Pirkl · 1991
Electric Field-Induced Phase Transitions in Electro-Optic Cell with Dielectrically Negative Chiral Nematic Liquid CrystalDr. S. Pirkl · 1993