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Kharchenko VO, Goychuk I.Kharchenko VO, et al. Among authors: goychuk i.Phys Rev E Stat Nonlin Soft Matter Phys. 2013 May;87(5):052119. doi: 10.1103/PhysRevE.87.052119. Epub 2013 May 15.Phys Rev E Stat Nonlin Soft Matter Phys. 2013.PMID: 23767499