Traffic dynamics based on an efficient routing strategy on scale free networks C.-Y. Yin, B.-H. Wang, W.-X. Wang, G. Yan and H.-J. Yang Eur. Phys. J. B, 49 2 (2006) 205-211 Published online: 17 February 2006 DOI: 10.1140/epjb/e2006-00040-2