Issue
EPL
Volume 89, Number 4, February 2010
Article Number 44003
Number of page(s) 6
Section Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics
DOI http://dx.doi.org/10.1209/0295-5075/89/44003
Published online 10 March 2010

© EPLA, 2010