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ISSN:1402-4896|89|8|85602-85608

IOP Publishing‎(2014)‎

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By Qing S. W.   Li H.   Wang X. G.   Song M. J.   Yu D. R.   in EPL (EUROPHYSICS LETTERS)

ISSN:0295-5075|100|3|35002-35002

Edp Sciences‎(2012)‎

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