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V. Felea, L. Prodan, E. Stefanet, P.T. Cong, S. Zherlitsyn, and V. Tsurkan, Ultrasound propagation in bond frustrated HgCr2S4 spinel in magnetic fields, Low Temp. Phys. 43, (2017) [Fiz. Nizk. Temp. 43, 702-706, (2017)] DOI: https://doi.org/10.1063/1.4985206.