This article has a note: [note]

Issue
EPL
Volume 92, Number 1, October 2010
Article Number 15003
Number of page(s) 5
Section Physics of Gases, Plasmas and Electric Discharges
DOI http://dx.doi.org/10.1209/0295-5075/92/15003
Published online 26 October 2010

© EPLA, 2010