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<response><item key="0"><nothing>Ivan Shelykh, Thomas Taylor, Alexey V. Kavokin, "Rotons in a Hybrid Bose-Fermi System", Physical Review Letters, vol. 105, 2010, [DOI: 10.1103/physrevlett.105.140402] [IF: 7.62, SJR: 6.45]</nothing></item></response>
