EPL is available also on-line on www.epljournal.org
Issue EPL
Volume 92, Number 5, December 2010
Article Number 57004
Number of page(s) 6
Section Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties
DOI http://dx.doi.org/10.1209/0295-5075/92/57004
Published online 21 December 2010

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