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<response><item key="0"><nothing>C. A. Downing, Mikhail Portnoi, "Bielectron vortices in two-dimensional Dirac semimetals", Nature Communications, vol. 8, 2017, [DOI: 10.1038/s41467-017-00949-y] [IF: 12.35, SJR: 6.58]</nothing></item></response>
