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López CE, Romero G, Lastra F, Solano E, Retamal JC.López CE, et al. Among authors: romero g.Phys Rev Lett. 2008 Aug 22;101(8):080503. doi: 10.1103/PhysRevLett.101.080503. Epub 2008 Aug 22.Phys Rev Lett. 2008.PMID: 18764597
Casanova J, Romero G, Lizuain I, García-Ripoll JJ, Solano E.Casanova J, et al. Among authors: romero g.Phys Rev Lett. 2010 Dec 31;105(26):263603. doi: 10.1103/PhysRevLett.105.263603. Epub 2010 Dec 20.Phys Rev Lett. 2010.PMID: 21231661
Romero G, Ballester D, Wang YM, Scarani V, Solano E.Romero G, et al.Phys Rev Lett. 2012 Mar 23;108(12):120501. doi: 10.1103/PhysRevLett.108.120501. Epub 2012 Mar 19.Phys Rev Lett. 2012.PMID: 22540561