Issue
EPL
Volume 93, Number 3, February 2011
Article Number 34002
Number of page(s) 5
Section Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics
DOI http://dx.doi.org/10.1209/0295-5075/93/34002
Published online 10 February 2011

© EPLA, 2011