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I.B. Berkutov, V.V. Andrievskii, Yu.F. Komnik, Yu.A. Kolesnichenko, R.J.H. Morris, D.R. Leadley, and O.A. Mironov, Magnetotransport studies of SiGe-based p-type heterostructures: problems of the effective mass determination, Low Temp. Phys. 38, (2012) [Fiz. Nizk. Temp. 38, 1455-1463, (2012)] DOI: https://doi.org/10.1063/1.4770520.