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G.A. Zvyagina, K.R. Zhekov, I.V. Bilych, Zvyagin А.А., A.N. Bludov, V.A. Pashchenko, and Gudim I.А., Magnetic field-induced phase transitions in the antiferromagnet Nd0.6Dy0.4Fe3(BO3)4, Low Temp. Phys. 40, (2013) [Fiz. Nizk. Temp. 40, 187-192, (2013)] DOI: https://doi.org/10.1063/1.4865561 .