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V. Gnezdilov, P. Lemmens, D. Wulferding, Yu. Pashkevich, K. Lamonova, K.-Y. Choi, O. Afanasiev, S. Gnatchenko, and H. Berger, Low-dimensional magnetism of spin-½ chain systems α- and β-TeVO4: a comparative study: Оптика и магнитооптика, Low Temp. Phys. 38, (2012) [Fiz. Nizk. Temp. 38, 715-727, (2012)] DOI: https://doi.org/10.1063/1.4734010.