Issue
EPL
Volume 89, Number 2, January 2010
Article Number 24001
Number of page(s) 5
Section Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics
DOI http://dx.doi.org/10.1209/0295-5075/89/24001
Published online 29 January 2010

© EPLA, 2010