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Heaton-Burgess T, Bulat FA, Yang W.Heaton-Burgess T, et al. Among authors: bulat fa.Phys Rev Lett. 2007 Jun 22;98(25):256401. doi: 10.1103/PhysRevLett.98.256401. Epub 2007 Jun 20.Phys Rev Lett. 2007.PMID: 17678039