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V. Chabanenko, S. Katrych, N.D. Zhigadlo, J. Karpinski, F. Pérez-Rodríguez, R. Cortés-Maldonado, I. Abal’osheva, P. Mikheenko, V.V. Yurchenko, E. Kuchuk, and R. Puźniak, Magnetic field penetration in MgB2 single crystals: pinning and Meissner holes, Low Temp. Phys. 40, (2014) [Fiz. Nizk. Temp. 40, 801-806, (2014)] DOI: https://doi.org/10.1063/1.4887061 .