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Liberati S, Maccione L, Sotiriou TP.Liberati S, et al.Phys Rev Lett. 2012 Oct 12;109(15):151602. doi: 10.1103/PhysRevLett.109.151602. Epub 2012 Oct 12.Phys Rev Lett. 2012.PMID: 23102293
Barceló C, Liberati S, Sonego S, Visser M.Barceló C, et al. Among authors: liberati s.Phys Rev Lett. 2006 Oct 27;97(17):171301. doi: 10.1103/PhysRevLett.97.171301. Epub 2006 Oct 24.Phys Rev Lett. 2006.PMID: 17155458