Changes of anisotropy of dilatative and optical properties of DGN crystal at ferroelectric phase transition von Andriyevsky, B.V., Romanyuk, M.O., Dumka, Yu.A.

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Optical and electric manifestations of incommensurate phase in NH₄HSeO₄ crystals von Andriyevsky, B.V., Czapla, Z., Dacko, S., Myshchyshyn, O.Ya.

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Evaluation of the fundamental absorption spectrum of a material by its refractive index dispersion in the transparency range von Andriyevsky, B.V., Romanyuk, M.O., Romanyuk, G.M.

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