Issue
EPL
Volume 99, Number 4, August 2012
Article Number 44004
Number of page(s) 6
Section Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics
DOI http://dx.doi.org/10.1209/0295-5075/99/44004
Published online 31 August 2012

© EPLA, 2012