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S. I. Menshikova and Rogacheva Е. I., Effect of deviation from stoichiometry on transport and mechanical properties of Bi2Se3 polycrystals , Low Temp. Phys. 47, (2020) [Fiz. Nizk. Temp. 47, 151-158, (2020)] DOI: https://doi.org/10.1063/10.0003175.