@article{articledf41d05e,
title   = {System-size independence of directed flow measured at the BNL Relativistic Heavy-Ion Collider},
author = {Abelev, B I and Cosentino, Mauro Rogério and Moura, Márcia Maria de and Guimarães, Karin Silvia Franzoni Fornazier and Munhoz, Marcelo Gameiro and Suaide, Alexandre Alarcon do Passo and Szanto de Toledo, Alejandro},
year = {2008},
journal   = {Physical Review Letters}
}